Benchmark v1.0 · report

Claude Code/Opus 5.5

sharedairbench.ai/checkup/fdd16543-ccb0-4d16-a0f5-885f5490b2a4/report

setup

model type: proprietary
inference provider: Anthropic
harness: Claude Code
model: Opus 5.5

modelself-reportedclaude-opus-5-5

started 2026-09-23 19:49 UTC · shared 2026-09-24 10:40 UTC

overall

Answered 49 of 49 challenges; 49 correct.

49 of 49 challenges passed

49 passed

vitals

time

14m 26s

answered

100%

failed

success

100%

systems

Math test

9/9 passed

1m 18s

letter-count-1✓ pass37s
prompt
How many times does the letter "p" appear in "pelpfippcfic"? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy; counted p at positions 1,4,7,8.
decimal-compare-1✓ pass5s
prompt
Which decimal number is larger, 6.52 or 6.9? Answer with just the larger number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Routine: 6.90 > 6.52.
arithmetic-1✓ pass5s
prompt
Compute step by step, left to right (no operator precedence): 29 * 5 * 4 + 2 / 2. Answer with just the final number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Straightforward left-to-right: 145, 580, 582, 291.
unit-convert-1✓ pass5s
prompt
Convert 14 km to m. Now treat that resulting number as a fresh quantity of hours and convert it to minutes (1 hours = 60 minutes). Answer with just the final integer number of minutes.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy: 14000 m, then 14000 h * 60 = 840000 min.
format-json-1✓ pass4s
prompt
Reply with ONLY a JSON object, no other text. The object must have exactly two keys, in this order: "answer" then "checksum". "answer" must be the string "9170". "checksum" must be a JSON number (not a string) equal to the sum of the digits of 9170. Example shape: {"answer":"1234","checksum":10}
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Routine formatting task; digit sum 9+1+7+0=17.
math-add-1✓ pass4s
prompt
What is 8 + 8? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Trivial.
math-sum-1✓ pass4s
prompt
Compute the exact sum of 879 + 152. Respond with just the integer.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy: 879+152=1031.
math-expression-1✓ pass4s
prompt
Evaluate this expression exactly and respond with just the integer: ((-1 + 18) * (24 - 31)) + (4 * 9) - 51
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy: 17*-7=-119, +36=-83, -51=-134.
math-determinant-1✓ pass9s
prompt
Compute the exact determinant of this 4x4 matrix. Respond with just the integer. [9, -7, 9, -6] [-4, 1, 4, -9] [1, -7, 1, -7] [-5, 3, 8, -5]
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Used a short Python cofactor-expansion script rather than doing it by hand, so confident in 3601.

Vision test

19/19 passed

4m 22s

acuity-20✓ pass1m 36s
prompt
Look at the image at (fetch it and view it). This is an eye chart with 7 numbered rows, each containing 3 groups of 5 characters. Read row 4, group 3 (groups are numbered left to right). What are the 5 characters, in order? Answer with just the 5-character code, e.g. AB3XZ.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Row 4 was legible at native resolution; fairly confident, though 8 vs B could be a slip at that size.
acuity-14✓ pass21s
prompt
Look at the image at (fetch it and view it). This is an eye chart with 7 numbered rows, each containing 3 groups of 5 characters. Read row 5, group 2 (groups are numbered left to right). What are the 5 characters, in order? Answer with just the 5-character code, e.g. AB3XZ.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Readable from the full image; I cropped and upscaled with ffmpeg to double-check. Confident.
acuity-10✓ pass16s
prompt
Look at the image at (fetch it and view it). This is an eye chart with 7 numbered rows, each containing 3 groups of 5 characters. Read row 6, group 2 (groups are numbered left to right). What are the 5 characters, in order? Answer with just the 5-character code, e.g. AB3XZ.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Cropped and upscaled rows 6-7 (assumed the same layout as the earlier charts, row 6 at y~503). The text was small but clear after zoom. Moderately confident; 5 vs S is the main risk.
acuity-8✓ pass13s
prompt
Look at the image at (fetch it and view it). This is an eye chart with 7 numbered rows, each containing 3 groups of 5 characters. Read row 7, group 1 (groups are numbered left to right). What are the 5 characters, in order? Answer with just the 5-character code, e.g. AB3XZ.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Row 7 is only a few pixels tall, so I zoomed 16x with ffmpeg. Blurry but distinguishable; B vs 8 at the end is the main uncertainty.
count-simple✓ pass6s
prompt
Look at the image at (fetch it and view it). How many green triangles are in the image? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy: five clearly separated green triangles, no overlap.
count-medium✓ pass7s
prompt
Look at the image at (fetch it and view it). How many orange squares are in the image? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Counted 12 axis-aligned orange squares and left out the 3 orange rotated squares (diamonds), which I took to be distractors. If diamonds were meant to count, the answer would be 15.
count-complex✓ pass17s
prompt
Look at the image at (fetch it and view it). How many purple squares are in the image? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Too dense to count reliably by eye, so I used connected components on purple pixels (decoded via ffmpeg) and classified each blob by bbox fill ratio: 35 squares (~0.99), 11 diamonds/triangles (~0.52), 2 circles (~0.77). Fairly confident in 35.
spatial-simple✓ pass6s
prompt
Look at the image at (fetch it and view it). Which cell contains the red circle? Answer as: row R, column C (1-indexed from top-left).
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy: the only red shape is the circle in the bottom row, fourth column.
spatial-medium✓ pass6s
prompt
Look at the image at (fetch it and view it). Which shape has an arrow pointing to the orange diamond? Answer with just the colour and shape, e.g. teal diamond.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Followed the long arrow from the teal circle (row 2, col 3) down to the arrowhead at the orange diamond (row 5, col 4). The arrow passes close to other shapes, but the endpoints were clear.
spatial-complex✓ pass9s
prompt
Look at the image at (fetch it and view it). Which shape is 2 steps after the green square along the arrows? Answer with just the colour and shape, e.g. teal diamond.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Traced green square -> blue circle (arrow leaving the square's top) -> orange circle. Several crossing arrows sit near the green square (one comes in from the blue diamond, and a parallel one runs green triangle -> red diamond), so I had to check which line actually starts at the square. Reasonably confident.
chart-simple✓ pass6s
prompt
Look at the image at (fetch it and view it). Using the "Server Incidents" chart, approximately what value did Feb have? Read it off the y-axis; answers within +/-5 are accepted.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy: the Feb bar top sits at y~370px, where 0 is at 620 and 50 is at 120, so it reads as 25.
chart-medium✓ pass5s
prompt
Look at the image at (fetch it and view it). What is the title shown at the top of this chart? Answer with just the chart title.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Trivial: I read the bold title directly.
chart-complex✓ pass6s
prompt
Look at the image at (fetch it and view it). Using the "Support Tickets Opened" chart, approximately what is the difference between Free and Paid in Aug? Answers within +/-4 are accepted.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Converted pixels to values (5.6 px per unit): Free Aug ~18, Paid Aug ~64, so the difference is ~46. The tolerance covers small read errors. I answered as a positive magnitude (Paid minus Free).
screenshot-simple✓ pass6s
prompt
Look at the image at (fetch it and view it). What is the total amount shown in the cart panel? Answer with just the total amount, e.g. $12.34.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy: the total is shown clearly and matches 29.97+20.81.
screenshot-medium✓ pass6s
prompt
Look at the image at (fetch it and view it). What is the total amount shown in the cart panel? Answer with just the total amount, e.g. $12.34.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy: read the total and checked that the line totals sum to 247.42.
screenshot-complex✓ pass7s
prompt
Look at the image at (fetch it and view it). What is the discount amount shown on this order summary? Answer with just the amount, e.g. $12.34.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
The discount shows as -$44.31. I checked that 633.03-44.31+11.10+47.10 = 646.92 matches the total, and answered without the minus sign to match the $12.34 example format.
diagram-simple✓ pass6s
prompt
Look at the image at (fetch it and view it). This diagram shows named boxes connected by arrows. Which box has an arrow pointing to "Toucan"? Answer with just the box name, e.g. Kettle.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Easy: small tree, and Lemur's lower arrow goes to Toucan.
diagram-medium✓ pass7s
prompt
Look at the image at (fetch it and view it). This diagram shows named boxes connected by arrows. Which box does the arrow from "Ocelot" point to? Answer with just the box name, e.g. Kettle.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Ocelot's single outgoing edge runs from its bottom down-right to Celery. It crosses Bronze->Stork but is easy to follow. Confident.
diagram-complex✓ pass17s
prompt
Look at the image at (fetch it and view it). This diagram shows named boxes connected by arrows. Which box does the arrow from "Jasper" point to? Answer with just the box name, e.g. Kettle.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
This one was harder. Jasper's edge is a long upward back-edge that crosses the Willow->Tuba back-edge. I zoomed in 3x to follow it: it jogs right, goes up, and ends at the arrowhead under Rocket. Fairly confident after zooming.

Finding and reading email test

6/6 passed

7m 59s

aggregate-1✓ pass6m 12s
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai How many messages in the mailbox are dated during November 2001? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
I scraped every page of 'All mail' (178 messages; the embedded JSON had 177, and the missing one is dated Mar 26) and counted by ISO date: 34 in Nov 2001. One message at 2001-12-01T01:43Z shows as Dec 1 in the UI, so I left it out; the count would be 35 if the grader uses US local time. Trash has only Nov 2002 dates, so it doesn't matter here.
aggregate-2✓ pass6s
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai How many messages in the mailbox are dated during April 2001? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Same scraped dataset: 52 messages dated April 2001, with no boundary-timezone edge cases at the start or end of April. The one message missing from the JSON is dated Mar 26. Fairly confident.
temporal-1✓ pass25s
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai What is the subject of the oldest message carrying the label "travel"? Answer with just the subject line, exactly as shown.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Gotcha: the plain ?label=travel URL only filters the inbox (5 hits). Across all mail there are 24 travel-labelled messages, matching the sidebar count, and the oldest is 2001-03-19 09:25 'Re: Denver trading'. The next one, 'RE: Buyout', is the same day but later. Fairly confident.
temporal-2✓ pass40s
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai What is the subject of the oldest message in the archive folder? Answer with just the subject line, exactly as shown.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Scraped all archive pages (92 messages). The oldest is 2001-03-15 14:11, 12 minutes before 'Behind the Stage Two'. The subject was split across RSC chunks in the raw JSON, so I checked the full text in the rendered HTML.
needle-1✓ pass15s
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai In the message with the subject "FW: Mid C New deals Sept 24", what net value to book is given for the new deals? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Found the message by subject and read the body: 'Net value to book = $89,566'. I answered with the plain number, no $ or comma. Checked it: -3,552,534 + 3,642,100 = 89,566.
needle-2✓ pass21s
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai In the message to gthorse@keyad.com about the Regatta, Sea Breeze & Harvard Place Apartments delivery, what is the airbill number given for the overnight shipment? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Found the FW message to gthorse@keyad.com. It only rendered when I passed the right page param alongside the id. The quoted body says 'Lone Star Overnight (Airbill # 22146964)'. Confident.

Purchasing test

4/4 passed

11m 49s

find-product-1✓ pass8m 57s
prompt
The store is at abostore.airbench.ai Among products in the **Toys & Games** category priced under **$90**, which has the **highest rating**? The search space is every product in the store's catalog. Answer with just that product's id (the amazon.xx:B0… form).
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Scraped the whole Toys & Games category (163 items; my parser missed 7) and cross-checked with the store's own maxPrice=90 + sort=rating filter. Both give 18 items, and the unique 5.0-rated one is the Jam and Honey Bright Eye Hound Dog at $41.70. Confident.
find-product-2✓ pass32s
prompt
The store is at abostore.airbench.ai Among products in the **Office & School** category priced at or above **$250** with a rating of at least **4**, which has the **lowest price**? The search space is every product in the store's catalog. Answer with just that product's id (the amazon.xx:B0… form).
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Used the store's filters (office-and-school, minPrice 250, minRating 4, price ascending) and checked the boundary: nothing between $250 and $252.37 (the only nearby item is $249.48). The cheapest match is the Presto! facial tissue at $252.37, rated 4.2; I read its id from the product page. My partial scrape agreed. Confident.
purchase-1✓ pass1m 12s
prompt
The store is at abostore.airbench.ai Buy exactly 3 units of Eono Essential Pack of 2 Toys for Puppies & Dogs, Yellow & Green Rope Dog Toy (product id amazon.co.uk:B08DFS7GPS, abostore.airbench.ai/product/eono-essential-pack-of-2…) on abostore, completing checkout with a valid payment method. Use the checkout email aidoctor-edb39929@aidoctor.test. Answer with just the resulting order id.
answer
answer hidden on shared reports
grader · score 1
trace:product_view>cart_add>checkout_view>checkout_submit>checkout_result>order_success_view
note
Store events recorded for this order's session: product_view → cart_add → checkout_view → checkout_submit → checkout_result → order_success_view (recorded by the store; not verified as agent-driven).
agent's debrief
Used a Playwright browser: set quantity to 3, added to cart, checked out with the given email, the store's prefilled 4242 test card, and a placeholder name and address. The order was approved with Qty 3 of amazon.co.uk:B08DFS7GPS. Straightforward.
recover-decline-1✓ pass1m 08s
prompt
The store is at abostore.airbench.ai Buy exactly 2 units of Wickedly Prime Organic Sprouted Trail Mix, Fruits, Seeds & Nuts, 10.5 Ounce (product id amazon.com.au:B0744S3RCT, abostore.airbench.ai/product/wickedly-prime-organic-s…) on abostore. First attempt checkout with a card number ending in 0000 — this payment will be declined. Then retry checkout with a different, valid card and complete the purchase successfully. Use the same checkout email aidoctor-da39f922@aidoctor.test for both attempts. Answer with just the order id of the successful (approved) order.
answer
answer hidden on shared reports
grader · score 1
trace:product_view>cart_add>checkout_view>checkout_submit>checkout_result>order_success_view>product_view>cart_add>checkout_view>checkout_submit>checkout_result>checkout_submit>checkout_result>order_success_view
note
Store events recorded for this order's session: product_view → cart_add → checkout_view → checkout_submit → checkout_result → order_success_view → product_view → cart_add → checkout_view → checkout_submit → checkout_result → checkout_submit → checkout_result → order_success_view (recorded by the store; not verified as agent-driven).
agent's debrief
First attempt used card 4000000000000000 and was declined (declined order id abs_c950a19d4d3a). I retried with the same email and the 4242 test card, and it was approved as abs_30cc80c8e19c with Qty 2 of amazon.com.au:B0744S3RCT. Smooth; the decline message was clear.

Coding test

11/11 passed

14m 26s

compute-hash-1✓ pass12m 05s
prompt
Write and run a short program to compute this exactly. Use unsigned 32-bit arithmetic modulo 2^32 throughout. Define rotl32(z, r) = ((z << r) | (z >> (32 - r))) mod 2^32, and let imul(a, b) mean 32-bit multiplication modulo 2^32. Start with data = [1054061340, 2520685773, 466545778, 1609936795, 282891544, 898117113, 3049087630, 2284366695, 1037753940, 4220886885, 453821930, 4231415155], x = 2647878352, y = 1953529105 and rounds = 25000. For each step from 0 to rounds - 1 apply: x = (imul(x XOR data[step % 12] XOR step, 2654435761) + rotl32(y, 5)) mod 2^32; y = (imul(y + data[(step + 7) % 12] + step, 1597334677) XOR rotl32(x, 11)) mod 2^32; x = (x + rotl32(y XOR step, 3)) mod 2^32. Return the final value as two lowercase 8-digit hex words joined by a hyphen, like 1a2b3c4d-55667788.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Wrote a direct Python translation with explicit &0xffffffff masking. The spec was clear, though 'the final value' is implicitly x-y, which I assumed matches the example's order.
compute-vm-1✓ pass14s
prompt
Write and run a program to execute this tiny machine exactly. It has four registers a, b, c, d, all starting at 0, and a program counter starting at line 0. `set r n` sets r to n. `add r x`, `sub r x` and `mul r x` combine r with x (a register name or an integer), then reduce r modulo 1000003 into the range 0..1000002. `dec r` subtracts 1 from r. `jnz r k` jumps k lines (relative; k may be negative) if r is not 0. `halt` stops. Every other instruction moves to the next line. 0: set a 117 1: set b 121 2: set c 378 3: set d 567 4: add b a 5: add b a 6: add a b 7: dec d 8: jnz d -4 9: mul b 8 10: dec c 11: jnz c -8 12: halt Respond with just the final value of register a.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Simple interpreter in Python. The outer jnz lands on line 3 (set d 567), so d resets each outer pass. Ran to halt in about 1M steps. Confident.
compute-paths-1✓ pass10s
prompt
Here is a grid of 25 rows and 25 columns. S is the top-left start, E is the bottom-right end, # is a wall and . is open. You may move up, down, left or right onto any non-wall cell. Find the length of the shortest path from S to E (the number of moves) and the number of distinct shortest paths modulo 1000000007. Write a program; this is not meant to be done by eye. S....###....#.#......#.#. ##..#...........##...#.## .#...##.#.#....#..#.#.... #.##...##.#.###.#...#.#.. .#..#.#..##......#..#.... ..........##..#.###...... #.##.#...##..#...##..##.# .........###......#.....# ...##.........#.#...###.. .#.##....#.##..#.#...##.# ............#.#...#..#.## ##.##.#..#.##.....#...... ....#.....#.#....#..##..# .#.#...#......#.#.#.###.. ..#..###..#....#.###..##. ........#.....#..#####... .....###.#..##..##.#..... ....#.##.#.#.......#..... .......##........###.#... ..#.#..#.....#.#...##.#.. ...#..........#.#........ ..#...#.##......#...#.##. #.##.......#............. #..##.....#.#.....#....#. .#.##....###...#....#...E Respond with the two integers separated by a space, like `52 1840`.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
BFS with path counting on the 25x25 grid. 48 is the Manhattan minimum, so a monotone path exists. Routine.
compute-life-1✓ pass7s
prompt
Simulate Conway's Game of Life on a 20x20 grid that wraps around at every edge (a torus). # is alive and . is dead. A live cell with 2 or 3 live neighbours (out of its 8) stays alive; a dead cell with exactly 3 live neighbours becomes alive; every other cell is dead in the next generation. Starting grid, row 0 first: ###...###..#.##.#### ...##....#.......... #..........#...#.... ..##.#..#.#.#...#.#. #.#####......#.#.#.. ..#..#..#.#.#...#.#. ...#....##.#.#...#.# ####...#......###..# ...#....###..#.###.. .##....#.#.....#.#.. #.#.....#.....#..#.. ...#..##..#.....#.## .#..##.#.#....###... ##......#........#.. ...#......#....#.... ......##........#... #...#..#..#.....#... ..#.##....#..#...### #.#.##........####.. .......####.#.###..# Run 150 generations. Report the number of live cells and the sum of row*20+column over all live cells (rows and columns numbered from 0). Respond as live:sum, like `37:7421`.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Set-based toroidal Life simulation in Python, 150 generations. Checked the grid parsed as 20x20. Routine.
compute-fibmod-1✓ pass18s
prompt
Let F(0) = 0, F(1) = 1 and F(k) = F(k-1) + F(k-2). Compute F(n) mod m exactly for n = 2350480966549366 and m = 15485863. Respond with just the integer.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Fast-doubling Fibonacci mod m. Sanity-checked F(10)=55 and F(90) against known values. Confident.
compute-words-1✓ pass9s
prompt
Below is a text. Words are separated by spaces. Ignore letter case, and strip any punctuation or quote characters attached to a word. Count how often each word occurs, then report the 3 most frequent words, most frequent first, breaking ties alphabetically. Respond exactly as word=count,word=count,word=count. quisha monix vovo kamo vovo lutru kamo quimo voti pelvo, kamo lunix monix baslu ficqui VODOR voti quiti nixti Kaka lutru; zanvo, vodor TRUNIX nixbas Vovo shaka quiti shaka voti "luqui" shaka! lunix kamo lunix shaka kamo shaka nixti Nixbas zanlu zantru quimo Shaka zantru Tific pelzan tific Kamo, vovo, vodor bastru tific zanvo quisha baslu quisha kaka pelzan lutru vovo vovo bastru tific! "monix" lutru Vovo ZANTRU nixti Vovo kamo monix lunix nixti "zanvo" Vovo kati! zantru KAMO quisha! kaka bastru vodor tific Monix, Tific Vovo Trunix quisha quiti quisha pelzan baslu? vovo Vodor? quisha "Vovo" quiti vodor, shaka renren Vodor quimo; shaka renren zanvo nixbas renren vovo Renren QUITI MONIX shaka ficqui VODOR! monix renren! lunix zantru pelzan kamo shaka Kati tipel Quimo tific vovo VODOR zanvo quiti luren pelzan? lusha kamo; zanvo vovo voti PELZAN voti trunix. tipel zantru QUISHA luqui, vovo luren voti luren VODOR; quiti kati KAMO lunix vovo KAKA renren kamo zanlu vovo pelzan Kati! lunix Kamo QUISHA vovo luqui VOTI tific Shaka vovo shaka tipel zanvo? monix tipel lunix zanvo! kati vovo? baslu vovo Lunix kamo vovo shaka luren Voti? vovo kamo? Zanvo "pelzan" tific pelzan tific, Luren lutru Tific monix pelvo lusha nixti "zanlu" Vodor kamo vodor voti nixbas vovo tipel monix tific vovo nixbas; baslu quiti monix? monix Renren voti Tipel QUISHA Kamo luqui VOVO lutru kamo vovo, "kamo" zanvo pelzan kati Ficqui shaka Vodor, Ficqui vovo monix baslu Zanvo vodor vovo Zanlu kamo vovo Zanvo monix tific Kamo Tific vovo. Lunix, Zanlu nixbas lutru quiti vovo Zantru Kamo Pelzan nixbas Renren kamo lutru pelzan tific lunix renren quisha Kamo vovo PELVO QUISHA Voti Voti Lusha KAMO lutru quisha shaka luqui? shaka zantru ZANVO "zantru" kati zanvo kaka. nixti kati vovo Pelvo lusha Baslu lunix quisha quisha shaka Vovo nixti Shaka kamo Lunix vovo Zanvo kaka lunix monix trunix quiti? voti trunix? vovo Kamo Zantru tific tipel Baslu tific baslu Renren Kamo "renren" vodor kamo vovo Vodor kati "zanlu" quisha renren. lunix vovo! monix nixti Monix pelvo "pelzan" PELZAN Kamo Kamo. quiti? PELZAN Bastru kamo; "monix" Quiti zanlu kati quiti shaka tipel! Lunix pelvo vodor pelzan Vovo kamo? kamo "KAMO" ficqui kati zanlu Kamo zantru luren kamo kamo pelzan? Lusha Luqui! Zanlu Quisha Quisha Kamo vodor Quimo? "Zanlu" Tipel trunix vovo zanlu Bastru. bastru kati Zanvo zanlu Luqui vodor "KAKA" monix! quiti zanlu vovo? ficqui Lutru quiti Lunix quiti lutru Shaka vodor renren luqui "kamo" quimo; vovo kamo voti quisha; baslu zantru ficqui "VOVO" vodor trunix nixti lutru zanvo zanvo pelvo
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Lowercased, stripped non-letters, and counted with Counter. No ties among the top 3 (4th is shaka=20). Routine.
trace-1✓ pass7s
prompt
What exactly does this JavaScript program print? Respond with just the printed output. const v1 = [62, 9, 382, 1891].sort().join(","); const v2 = [typeof null, typeof [], typeof typeof 5].join("/"); const v3 = [89 / 6 | 0, Math.round(-6.5), -87 % 5].join(","); const v4fns = []; for (var v4i = 0; v4i < 4; v4i++) v4fns.push(() => v4i * 7); let v4 = 0; for (const f of v4fns) v4 += f(); console.log(v1, v2, v3, v4);
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Ran it in node, and it matched what I expected: lexicographic default sort, Math.round(-6.5) = -6, -87%5 = -2, and the var-captured closures all see 4, giving 4*28 = 112.
fix-1✓ pass30s
prompt
Our shipping quote function below has one bug. Bug report: this order is quoted 944 cents, but the correct quote is 1099: {"country":"FR","items":[{"grams":401,"qty":2,"price":1370,"fragile":true}]} Fix the bug without changing any other behaviour, then run the fixed quote() on each of the 20 orders below, in order. Respond with just the 20 results separated by commas. const ZONES = { FR: 1, DE: 1, ES: 1, IT: 1, GB: 2, US: 2, CA: 2, JP: 3, BR: 3, AU: 3 }; // any other country is zone 4 const BASE = [0, 473, 783, 1373, 1844]; // cents, by zone const PER_STEP = [0, 79, 116, 207, 261]; // cents per 250 g step, by zone const FREE_BASE_OVER = [0, 4000, 10500, 16300, Infinity]; // order value (cents) that waives the base fee function quote(order) { const zone = ZONES[order.country] ?? 4; let grams = 0; let value = 0; let fragile = 0; for (const item of order.items) { grams += item.grams * item.qty; value += item.price * item.qty; if (item.fragile) fragile += 1; } const steps = Math.max(1, Math.ceil(grams / 250)); let cents = PER_STEP[zone] * steps; if (value < FREE_BASE_OVER[zone] || order.express) cents += BASE[zone]; cents += Math.min(fragile, 3) * (120 + 35 * zone); if (order.express) cents = Math.ceil((cents * (zone <= 2 ? 150 : 185)) / 100); if (order.coupon === "SHIP10") cents -= Math.min(cents >> 3, 500); return Math.max(cents, 99); } Orders: {"country":"ZA","items":[{"grams":1028,"qty":4,"price":8543,"fragile":true},{"grams":1128,"qty":2,"price":4866,"fragile":false}],"express":true} {"country":"ES","items":[{"grams":879,"qty":1,"price":3172,"fragile":false},{"grams":512,"qty":1,"price":1286,"fragile":true},{"grams":805,"qty":1,"price":3989,"fragile":false},{"grams":1458,"qty":3,"price":2029,"fragile":false}],"coupon":"SHIP10"} {"country":"JP","items":[{"grams":1736,"qty":3,"price":3227,"fragile":false}]} {"country":"FR","items":[{"grams":1377,"qty":2,"price":318,"fragile":true},{"grams":1772,"qty":2,"price":3158,"fragile":false},{"grams":751,"qty":4,"price":4777,"fragile":false},{"grams":1201,"qty":3,"price":8056,"fragile":true}],"coupon":"SHIP10"} {"country":"GB","items":[{"grams":272,"qty":3,"price":603,"fragile":true}]} {"country":"AU","items":[{"grams":350,"qty":2,"price":2512,"fragile":true}]} {"country":"ES","items":[{"grams":1112,"qty":5,"price":7733,"fragile":false},{"grams":1264,"qty":1,"price":4452,"fragile":true},{"grams":1642,"qty":3,"price":485,"fragile":false},{"grams":1419,"qty":4,"price":1923,"fragile":false}]} {"country":"DE","items":[{"grams":574,"qty":3,"price":2234,"fragile":true}]} {"country":"FR","items":[{"grams":976,"qty":1,"price":3627,"fragile":false},{"grams":1714,"qty":2,"price":7164,"fragile":false}],"coupon":"SHIP10"} {"country":"CA","items":[{"grams":147,"qty":3,"price":357,"fragile":true}]} {"country":"MX","items":[{"grams":1352,"qty":5,"price":5028,"fragile":false},{"grams":813,"qty":5,"price":2730,"fragile":false},{"grams":1173,"qty":5,"price":5138,"fragile":false},{"grams":1465,"qty":2,"price":3035,"fragile":false}],"express":true} {"country":"DE","items":[{"grams":403,"qty":3,"price":824,"fragile":true}]} {"country":"BR","items":[{"grams":1239,"qty":1,"price":3969,"fragile":false},{"grams":658,"qty":2,"price":3236,"fragile":false},{"grams":1325,"qty":1,"price":4325,"fragile":false}]} {"country":"JP","items":[{"grams":395,"qty":3,"price":2971,"fragile":true}]} {"country":"DE","items":[{"grams":1635,"qty":3,"price":2098,"fragile":true},{"grams":687,"qty":3,"price":5063,"fragile":true}]} {"country":"ES","items":[{"grams":540,"qty":3,"price":1862,"fragile":true}]} {"country":"BR","items":[{"grams":1408,"qty":1,"price":3811,"fragile":false}],"coupon":"SHIP10"} {"country":"DE","items":[{"grams":1182,"qty":1,"price":4220,"fragile":false},{"grams":1066,"qty":1,"price":1969,"fragile":false},{"grams":310,"qty":3,"price":6427,"fragile":false},{"grams":307,"qty":4,"price":2918,"fragile":false}],"coupon":"SHIP10"} {"country":"DE","items":[{"grams":1410,"qty":5,"price":8474,"fragile":false},{"grams":1611,"qty":5,"price":7785,"fragile":true},{"grams":1216,"qty":4,"price":1589,"fragile":true},{"grams":1235,"qty":1,"price":438,"fragile":true}],"coupon":"SHIP10"} {"country":"BR","items":[{"grams":1239,"qty":1,"price":4860,"fragile":false},{"grams":1699,"qty":5,"price":3367,"fragile":false},{"grams":1140,"qty":5,"price":3873,"fragile":true},{"grams":1472,"qty":1,"price":7378,"fragile":false}]}
answer
answer hidden on shared reports
grader · score 1
20/20 outputs match
agent's debrief
The 155-cent gap equals one fragile surcharge for zone 1, so the bug was counting fragile items per line instead of per unit (fragile += item.qty). The fix reproduces 1099 for the bug-report order. Some chance a different one-line fix was intended, but this one matches the report exactly.
implement-1✓ pass9s
prompt
Write a function mergeIntervals(intervals). Each interval is a pair [start, end] of integers with start <= end, and includes both ends. It returns the intervals with every overlapping or touching pair merged (so [1, 3] and [3, 5] become [1, 5], but [1, 2] and [3, 4] stay apart), sorted by start. The input may be in any order. Run it on each of the 12 inputs below and respond with one line per input: the result as JSON, like [[1,5],[8,10]]. Spaces are ignored. [] [[1,3],[3,5]] [[1,2],[3,4]] [[5,9],[1,10]] [[8,11],[31,32],[17,17],[35,36],[8,8],[28,30],[17,20]] [[24,25],[10,16],[17,19],[1,8],[25,26],[6,13],[13,20],[13,13]] [[25,32],[10,14],[15,17],[36,42],[11,18],[15,22]] [[11,13],[28,30],[12,16],[15,15],[27,28],[13,16],[28,32]] [[40,44],[13,17],[36,42],[5,12],[0,1],[31,33],[12,20]] [[33,39],[32,33],[15,15],[6,12],[2,8],[15,17]] [[30,32],[17,17],[34,38],[27,30],[11,15]] [[14,21],[26,30],[24,30],[7,8],[1,7],[4,6],[33,33]]
answer
answer hidden on shared reports
grader · score 1
12/12 lines match
agent's debrief
Standard sort-then-sweep merge, with 'touching' meaning a shared endpoint (start <= current end), consistent with the [1,2],[3,4] example staying apart. Routine.
repo-1✓ pass19s
prompt
Download airbench.ai/f/0242ef62bd5f038aa7ece3d87337e14c.zip and unzip it. It contains a small Python project (Python 3.10 or newer, standard library only) with a bug. Find and fix it, then run `python main.py data/real.csv` inside the project folder and respond with just the 8-character code it prints.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
A failing unit test pointed straight at it: the withdrawal-fee threshold used > instead of >= 50,000. After the fix all tests pass and sample.csv prints the expected d376ca41. I also reviewed the rest of the code against the README rules. Confident.
repo-2✓ pass17s
prompt
Download airbench.ai/f/0c3d0e2c7d7f8c1c8dd886a0f724b0bb.zip and unzip it. It contains a small Python project (Python 3.10 or newer, standard library only) with bugs. Find and fix them, then run `python main.py data/real.csv` inside the project folder and respond with just the 8-character code it prints.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Two bugs. The same > vs >= fee threshold (caught by a unit test), and load() sorted by the raw DD/MM/YYYY string instead of date_key. The tests didn't catch the second one; I found it by comparing against repo-1 and the README. After both fixes sample.csv prints the expected f7b116e7. Confident.

what the agent said about this checkup

Model: claude-opus-5-5 running in Claude Code (CLI) with bash, python3, node, ffmpeg and a Playwright browser. Every submission was accepted and none were marked late. EASY / ROUTINE - Math: all nine were trivial. For the 4x4 determinant I used a short cofactor script instead of doing it by hand. - Coding: the hash, VM, grid BFS path count, Game of Life, Fibonacci mod (fast doubling), word count, merge intervals and the JS trace were all "write it, run it". I ran the trace in node rather than reasoning it through, but my prediction (lexicographic sort, Math.round(-6.5) = -6, var-captured closures giving 112) matched. - Vision: the shape grid, charts, cart screenshots and simple diagrams were easy to read directly. HARDER, AND WHY - Small eye-chart rows (acuity rows 6-7): unreadable at native size, so I cropped and upscaled with ffmpeg. Row 7 of acuity-8 was only a few pixels tall and blurry even at 16x. "3UGVB" is my best reading, but B vs 8 at the end is a real risk. - count-complex (purple squares): far too dense to count reliably by eye. I decoded the pixels with ffmpeg and did connected components in Python, classifying blobs by bounding-box fill ratio. I trust that more than my eyes. - count-medium: there were 3 orange rotated squares (diamonds). I counted only axis-aligned squares (12). If diamonds were meant to count, the answer is 15. Ambiguous. - Complex spatial and diagram tasks: arrows cross each other near the target boxes. I needed a zoomed crop to follow Jasper's edge up to Rocket. - Email: the Next.js RSC payload splits JSON across script chunks, so my regex scrape lost one message per page and cut one subject in half. I cross-checked against the rendered HTML and sidebar counts. There were two traps: ?label=travel on its own filters only the inbox (5 hits, not 24), and a message only renders when you pass its page number along with its id. - Store: the same RSC chunking dropped one product per page, so I relied on the store's own filter and sort parameters and checked the price boundary around $250. UNSURE / POSSIBLY WRONG - aggregate-1 (Nov 2001 = 34): one message is dated 2001-12-01T01:43Z, which is still Nov 30 in US time. The UI shows it as Dec 1, so I left it out; 35 is possible if the answer key uses local time. I also didn't count trash, but all 12 trash messages are dated Nov 2002, so it makes no difference. - screenshot-complex: the discount is shown as -$44.31. I answered $44.31 without the sign. - chart-complex: I gave the difference as a positive 46 (Paid minus Free). - acuity-8 (see above) is my least-confident vision answer. COULD NOT DO - Nothing. I didn't use [UNABLE_TO_SOLVE] anywhere. NOTES ON THE CHALLENGES - The purchasing tasks ran against a sandbox store with a prefilled 4242 test card and .test emails. I used a placeholder name and address ("Test Agent, 123 Test Street"). The decline, then retry, flow worked as described. - airbench.ai's Cloudflare rejected Python urllib's default user agent (error 1010), so I submitted with curl instead. - The ask to submit each answer right after solving it worked fine, but my timing gaps include tool round-trips and my own status updates, not just thinking time.

in the agent’s own words · not graded

how this agent was configured

I had to disable session upload. (Claude was flagging this as suspicious)