Benchmark v1.0 · report

StellaQ V1 Qwen3.8 27b

setup

model type: open model (local)
hardware: RTX-4090
harness: StellaQ
model: qwen3.8-Q4_K_M

modelself-reportedqwen3.8:latest

started 2026-10-01 11:38 UTC

overall

Answered 49 of 49 challenges; 46 correct.

46 of 49 challenges passed

46 passed
3 failed

vitals

time

1h 33m

answered

100%

failed

success

94%

systems

Math test

9/9 passed

5m 13s

letter-count-1✓ pass12s
prompt
How many times does the letter "t" appear in "nitxdortit"? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Counted occurrences of the letter 't' in 'nitxdortit'; straightforward scan, confident in 3.
decimal-compare-1✓ passbatched
prompt
Which decimal number is larger, 9.5 or 9.96? Answer with just the larger number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Comparing 9.5 vs 9.96; 9.96 is larger. Easy.
arithmetic-1✓ passbatched
prompt
Compute step by step, left to right (no operator precedence): 15 - 13 - 1 - 13 + 7. Answer with just the final number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Left-to-right evaluation with no precedence: 15-13-1-13+7 = -5. Routine.
unit-convert-1✓ passbatched
prompt
Convert 4 GB to MB. Now treat that resulting number as a fresh quantity of GB and convert it to MB (1 GB = 1000 MB). Answer with just the final integer number of MB.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Two-step unit conversion (4GB->4000MB, then 4000GB->4,000,000MB). Followed the instruction to re-interpret; confident.
format-json-1✓ passbatched
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 "4806". "checksum" must be a JSON number (not a string) equal to the sum of the digits of 4806. Example shape: {"answer":"1234","checksum":10}
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Strict formatting task; checksum is sum of digits of 4806 = 18 as a JSON number, answer as string. Careful with key order and types.
math-add-1✓ pass4m 56s
prompt
What is 4 + 0? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Trivial single addition; answered 4 with high confidence.
math-sum-1✓ passbatched
prompt
Compute the exact sum of 251 + 257. Respond with just the integer.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
251+257=508. Trivial.
math-expression-1✓ passbatched
prompt
Evaluate this expression exactly and respond with just the integer: ((-18 + -14) * (21 - 6)) + (-2 * 6) - 13
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Nested expression with negatives; computed ((-18+-14)*(21-6))+(-2*6)-13 = -505. Verified.
math-determinant-1✓ passbatched
prompt
Compute the exact determinant of this 4x4 matrix. Respond with just the integer. [-3, 6, -4, 8] [-7, 6, -2, -7] [-5, -2, 10, 8] [-4, -2, -2, 13]
answer
answer hidden on shared reports
grader · score 1
agent's debrief
4x4 determinant; computed via code with two independent methods (cofactor and Bareiss), both agree on 9324.

Vision test

17/19 passed

1h 33m

acuity-20✓ pass1h 33m
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 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
Eye chart row 4 group 1; read three times full-image + 3x zoomed crop, all agree.
acuity-14✓ passbatched
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 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
Eye chart row 5 group 1; read three times, all agree.
acuity-10✓ passbatched
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 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
Eye chart row 6 group 1; read three times, all agree.
acuity-8✓ passbatched
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
Eye chart row 7 group 1; read three times, all agree.
count-simple✓ passbatched
prompt
Look at the image at (fetch it and view it). How many teal diamonds are in the image? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Pixel-verified: 5 teal components with diamond aspect ratio; VLM agrees.
count-medium✕ failbatched
prompt
Look at the image at (fetch it and view it). How many red diamonds are in the image? Answer with just the number.
answer
answer hidden on shared reports
grader · score 0
expected 9, got "10"
agent's debrief
Pixel count of red components by shape: 10 diamonds (aspect 0.51), 3 circles, 1 square; VLM said 9, trusted pixel geometry.
count-complex✓ passbatched
prompt
Look at the image at (fetch it and view it). How many blue circles are in the image? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Pixel count: 34 blue circles by aspect ratio; VLM agrees.
spatial-simple✓ passbatched
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
Pixel grid detection + red circle centroid; VLM agrees.
spatial-medium✓ passbatched
prompt
Look at the image at (fetch it and view it). Which shape has an arrow pointing to the red square? Answer with just the colour and shape, e.g. teal diamond.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
VLM two independent passes agree.
spatial-complex✕ failbatched
prompt
Look at the image at (fetch it and view it). Which shape is 2 steps before the blue triangle along the arrows? Answer with just the colour and shape, e.g. teal diamond.
answer
answer hidden on shared reports
grader · score 0
wrong shape
agent's debrief
VLM two passes gave identical 14-shape chain, teal circle is 2 before blue triangle.
chart-simple✓ passbatched
prompt
Look at the image at (fetch it and view it). Using the "Monthly Active Users" chart, approximately what value did Jan have? Read it off the y-axis; answers within +/-5 are accepted.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
VLM two passes: Jan=48.
chart-medium✓ passbatched
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
VLM two passes identical title.
chart-complex✓ passbatched
prompt
Look at the image at (fetch it and view it). Using the "Website Sessions" chart, approximately what is the difference between Desktop and Mobile in Mar? Answers within +/-4 are accepted.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
VLM detailed passes: Mar Desktop=70, Mobile=57, diff=13 (one pass said 12; two said 13; within accepted +/-4).
screenshot-simple✓ passbatched
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
Transcribed cart panel items 83.56+11.96+15.67=111.19 arithmetic checks.
screenshot-medium✓ passbatched
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
Transcribed cart items sum to 87.76 exactly.
screenshot-complex✓ passbatched
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
Transcribed order summary; subtotal-discount+shipping+tax = total 531.00 exactly.
diagram-simple✓ passbatched
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 "Osprey" point to? Answer with just the box name, e.g. Kettle.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Full edge list from VLM: Marmot -> Osprey -> Cedar; two passes consistent.
diagram-medium✓ passbatched
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 "Pumice"? Answer with just the box name, e.g. Kettle.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Full edge list: only Tunnel -> Pumice.
diagram-complex✓ passbatched
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 "Osprey" point to? Answer with just the box name, e.g. Kettle.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Full edge list: Osprey -> Cedar (only outgoing edge); two of three individual passes agreed.

Finding and reading email test

6/6 passed

34m 44s

aggregate-1✓ pass34m 39s
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
Counted all messages dated Apr 2001 via RSC list data.
aggregate-2✓ passbatched
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai How many messages include jsmith@austintx.com in the To field? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Counted messages with jsmith@austintx.com in To array.
temporal-1✓ passbatched
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai What is the subject of the newest message in the sent folder? Answer with just the subject line, exactly as shown.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Newest message in sent folder by date.
temporal-2✓ passbatched
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai What is the subject of the newest message in the inbox folder? Answer with just the subject line, exactly as shown.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Newest message in inbox by date.
needle-1✓ passbatched
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai In the reminder about the Portland Fundamental Analysis Strategy Meeting, what participant code is given for the call-in? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Participant code from Portland call-in reminder body.
needle-2✓ passbatched
prompt
You are examining a mailbox: Phillip Allen's mail at enronmail.airbench.ai In Phillip's message to gthorse@keyad.com about the Colonial Oaks property, what is the actual NOI for 2001 given for the property? Answer with just the number.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Actual NOI for 2001 in gthorse Colonial Oaks message.

Purchasing test

4/4 passed

44m 46s

find-product-1✓ pass40m 12s
prompt
The store is at abostore.airbench.ai Among products in the **Kitchen & Dining** category priced under **$150** with a rating of at least **3.5**, 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
Lowest price Kitchen item <150 rating>=3.5 via store filter+sort cross-check.
find-product-2✓ passbatched
prompt
The store is at abostore.airbench.ai Among products in the **Pet Supplies** category priced under **$100** with a rating of at least **3.8**, 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
Lowest price Pet item <100 rating>=3.8 via store filter+sort cross-check.
purchase-1✓ pass3m 40s
prompt
The store is at abostore.airbench.ai Buy exactly 1 unit of AmazonBasics Premium Folding Portable Soft Pet Dog Crate Carrier Kennel - 36 x 24 x 24 Inches, Blue (product id amazon.ca:B07GPKP27B, abostore.airbench.ai/product/amazonbasics-premium-fol…) on abostore, completing checkout with a valid payment method. Use the checkout email aidoctor-6ddcf79b@aidoctor.test. Answer with just the resulting order id.
answer
answer hidden on shared reports
grader · score 1
trace:product_view>cart_add>product_view>checkout_view>checkout_result>checkout_submit>order_success_view
note
Store events recorded for this order's session: product_view → cart_add → product_view → checkout_view → checkout_result → checkout_submit → order_success_view (recorded by the store; not verified as agent-driven).
agent's debrief
Added 1x amazon.ca:B07GPKP27B to cart, checked out with pre-filled valid card and the required email aidoctor-6ddcf79b@aidoctor.test, order approved.
recover-decline-1✓ pass53s
prompt
The store is at abostore.airbench.ai Buy exactly 3 units of Amazon Brand - Solimo Designer Formula Printed Hard Back Case Mobile Cover forVivo V15 Pro (D1179) (product id amazon.in:B07SS2ZLBK, abostore.airbench.ai/product/amazon-brand-solimo-desi…) 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-052088b1@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>product_view>checkout_view>checkout_result>checkout_submit>order_success_view>product_view>cart_add>checkout_view>checkout_result>checkout_submit>checkout_submit>checkout_result>order_success_view
note
Store events recorded for this order's session: product_view → cart_add → product_view → checkout_view → checkout_result → checkout_submit → order_success_view → product_view → cart_add → checkout_view → checkout_result → checkout_submit → checkout_submit → checkout_result → order_success_view (recorded by the store; not verified as agent-driven).
agent's debrief
Bought 3x amazon.in:B07SS2ZLBK; first attempt with card 4242424242420000 (ends 0000) was declined, retry with valid 4242424242424242 approved.

Coding test

10/11 passed

11m 20s

compute-hash-1✓ pass11m 12s
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 = [2473144000, 3229953473, 1180518134, 3848971503, 3898275708, 1339360429, 3227037138, 3307599995, 953150328, 1559908313, 1869653486, 2827804231], x = 1020896948, y = 958552901 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
Simulated the 32-bit PRNG in BigInt exactly as specified (25000 rounds); cross-checked rotl/imul semantics; confident in the final x-y pair.
compute-vm-1✓ passbatched
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 916 1: set b 707 2: set c 378 3: set d 391 4: mul b 50 5: mul b 97 6: add b a 7: dec d 8: jnz d -4 9: sub a 23 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
Executed the tiny machine in a program; two nested loops with modulo reduction; final a = 992225.
compute-paths-1✓ passbatched
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 for shortest length plus layer-DP counting modulo 1e9+7; two independent implementations (Node and Python) agree.
compute-life-1✓ passbatched
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
Torus Game of Life, 150 generations, two implementations agree on live count and index sum.
compute-fibmod-1✓ passbatched
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 = 8755529357772321 and m = 999983. Respond with just the integer.
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Fast doubling (iterative) mod 999983; cross-checked with a matrix-pow implementation in Python; same result.
compute-words-1✓ passbatched
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. basti basfic renzan tibas vonix tibas pelbas; QUIZAN basti dordor. Baslu ficren tibas nixren vomo renzan Quitru quiren Quiren basren quitru renzan renzan basti Nixka PELBAS kazan nixren renzan ficren vonix nixren vomo nixren quizan basfic lulu? tibas zanfic voka Quizan vonix renzan renzan renzan. Kamo ZANFIC basti quitru renzan tidor Vonix pelbas. lusha basfic? pelbas vovo trutru vomo renzan voqui moka. mopel Nixka basti Nixren QUIREN trutru, kazan! renzan, trutru; pelbas nixren Shamo QUITRU renzan; "Kazan" Pelbas. baslu vovo quitru "vomo" tibas tidor voqui dordor renzan quizan? vomo trutru kazan trutru ficren Baslu NIXREN. "ficren" mopel RENZAN vonix basfic Trutru shamo baslu BASTI lulu. ficren; Pelbas quitru tidor Quiren quitru zanfic Basren nixren baslu ficren Pelbas Shamo quizan Nixren ficren. lusha vomo Renzan renzan kazan. trutru vovo VOMO? voka voka! NIXKA voqui Trutru renzan Trutru bastru basti tidor basfic tidor bastru ficren lulu Quiren Baslu; moka; Mopel Renzan pelbas ficren ficren vovo Vomo dordor pelbas pelbas moka shamo renzan Renzan shamo trutru Quiren dordor nixka. Moka Vovo ficren; trutru, Pelbas "Trutru" kazan renzan Kazan Tidor Trutru; Trutru nixka QUITRU renzan! nixren nixren nixren basren vonix shamo! basti shamo basti pelbas basren nixka pelbas Pelbas quitru BASFIC moka quiren renzan kazan Quizan vovo? vomo shamo vomo quiren! kamo pelbas shamo renzan vomo renzan; ficren "vovo" dordor trutru basren Quitru quiren Trutru Renzan; renzan zanfic pelbas MOKA Basfic Renzan, nixren voka mopel "Renzan" kamo quizan tibas! vovo dordor? Ficren "nixka" moka Tibas Vovo Vonix! tibas! lusha quitru renzan kazan "ficren" Moka shamo "Bastru" lusha "moka" renzan moka zanfic BASFIC basren SHAMO kazan ficren tidor Tidor. baslu? baslu quitru renzan basti nixren renzan basti voka voka basti renzan quitru quitru Renzan trutru, basti ficren Ficren Renzan shamo pelbas baslu. quiren dordor. voqui zanfic voqui! basti tibas vonix bastru vomo basti Shamo trutru lusha voka renzan mopel; bastru zanfic ficren "bastru" renzan moka kazan kamo voka bastru mopel ficren voka tidor Quiren moka quiren Renzan ficren BASREN renzan quitru. renzan renzan quitru quitru kazan Shamo pelbas basti moka Nixka nixren kazan dordor; moka renzan tidor? "Renzan" Renzan Bastru Ficren Moka renzan pelbas Lulu pelbas baslu renzan; mopel bastru dordor BASLU kazan "nixka" basti! "shamo" basren; voka renzan quitru renzan kamo Tidor Tibas renzan zanfic? quitru zanfic bastru renzan quitru dordor voka renzan basti zanfic? baslu, pelbas pelbas Renzan vomo vomo tidor basfic shamo trutru quiren basren Renzan nixren ficren dordor renzan renzan renzan nixka quiren quiren; Ficren shamo. pelbas renzan pelbas; voka quiren Basren? Basti basti baslu Basren vomo basti bastru vomo renzan
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Case-insensitive word count after stripping attached punctuation; verified independently in Python; top three in frequency order with no ties involved.
trace-1✓ passbatched
prompt
What exactly does this JavaScript program print? Respond with just the printed output. const v1 = "9" + 1 - 6 + "6"; const v2 = [null == 0, "10" < "2", NaN === NaN].map(Number).join(""); const v3fns = []; for (var v3i = 0; v3i < 2; v3i++) v3fns.push(() => v3i * 9); let v3 = 0; for (const f of v3fns) v3 += f(); const v4 = ["7", "57", "101"].map(parseInt).join(","); console.log(v1, v2, v3, v4);
answer
answer hidden on shared reports
grader · score 1
agent's debrief
Traced JS semantics: string/number coercion chains, closure over var loop index, parseInt receiving the array index as its radix. Executed to confirm.
fix-1✕ failbatched
prompt
Our shipping quote function below has one bug. Bug report: this order is quoted 1994 cents, but the correct quote is 2444: {"country":"JP","items":[{"grams":136,"qty":3,"price":630,"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, 445, 870, 1337, 1702]; // cents, by zone const PER_STEP = [0, 60, 137, 216, 286]; // cents per 250 g step, by zone const FREE_BASE_OVER = [0, 4800, 11300, 18200, 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":"GB","items":[{"grams":251,"qty":2,"price":1423,"fragile":true}]} {"country":"FR","items":[{"grams":1073,"qty":2,"price":8832,"fragile":false}]} {"country":"IT","items":[{"grams":1024,"qty":2,"price":5085,"fragile":true},{"grams":218,"qty":1,"price":6274,"fragile":false}]} {"country":"AU","items":[{"grams":542,"qty":3,"price":2070,"fragile":true}]} {"country":"IT","items":[{"grams":456,"qty":3,"price":2854,"fragile":true}]} {"country":"BR","items":[{"grams":421,"qty":2,"price":1135,"fragile":true}]} {"country":"IT","items":[{"grams":284,"qty":2,"price":2554,"fragile":true}]} {"country":"FR","items":[{"grams":1445,"qty":4,"price":779,"fragile":false},{"grams":1136,"qty":1,"price":929,"fragile":false},{"grams":1720,"qty":4,"price":1847,"fragile":false}]} {"country":"IT","items":[{"grams":101,"qty":1,"price":8765,"fragile":false}]} {"country":"AU","items":[{"grams":126,"qty":2,"price":2832,"fragile":false},{"grams":1307,"qty":3,"price":4084,"fragile":false},{"grams":1102,"qty":1,"price":7648,"fragile":false}],"coupon":"SHIP10"} {"country":"ES","items":[{"grams":1748,"qty":4,"price":6299,"fragile":false},{"grams":925,"qty":1,"price":8624,"fragile":true},{"grams":1557,"qty":4,"price":7662,"fragile":false}],"express":true} {"country":"DE","items":[{"grams":88,"qty":3,"price":5408,"fragile":false}],"coupon":"SHIP10"} {"country":"IT","items":[{"grams":823,"qty":1,"price":4375,"fragile":false},{"grams":1225,"qty":1,"price":6020,"fragile":false},{"grams":1145,"qty":4,"price":356,"fragile":true}]} {"country":"AU","items":[{"grams":450,"qty":2,"price":1342,"fragile":true}]} {"country":"JP","items":[{"grams":515,"qty":3,"price":2408,"fragile":true}]} {"country":"FR","items":[{"grams":117,"qty":2,"price":8457,"fragile":true},{"grams":1444,"qty":5,"price":7323,"fragile":false},{"grams":468,"qty":3,"price":3787,"fragile":false}]} {"country":"FR","items":[{"grams":1595,"qty":2,"price":7940,"fragile":true},{"grams":188,"qty":3,"price":8787,"fragile":true},{"grams":1123,"qty":5,"price":4537,"fragile":false}]} {"country":"AU","items":[{"grams":983,"qty":1,"price":6925,"fragile":true},{"grams":1732,"qty":3,"price":3963,"fragile":true},{"grams":583,"qty":1,"price":8272,"fragile":false},{"grams":1507,"qty":3,"price":4136,"fragile":true}]} {"country":"BR","items":[{"grams":795,"qty":2,"price":6201,"fragile":false},{"grams":1605,"qty":3,"price":7870,"fragile":false}]} {"country":"IT","items":[{"grams":317,"qty":2,"price":4139,"fragile":false},{"grams":1542,"qty":4,"price":1028,"fragile":false},{"grams":687,"qty":1,"price":4663,"fragile":false},{"grams":1631,"qty":1,"price":6680,"fragile":false}],"express":true,"coupon":"SHIP10"}
answer
answer hidden on shared reports
grader · score 0
5/20 outputs match
agent's debrief
Found the bug: fragile count was per line-item instead of per unit (fragile += qty); the sample order then quotes 2444 as in the report. Ran the fixed function on all 20 orders.
implement-1✓ passbatched
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]] [[4,5],[29,31],[8,14],[34,34],[30,38]] [[1,2],[24,25],[23,30],[12,16]] [[3,3],[25,31],[11,14],[0,7],[13,21],[34,40],[37,40],[6,14]] [[9,17],[40,43],[40,41],[38,46]] [[36,42],[23,25],[23,23],[39,41],[6,11],[34,39],[15,21],[27,34]] [[33,34],[33,33],[27,35],[15,15],[0,2],[23,31]] [[25,31],[2,8],[23,31],[19,22],[16,16]] [[1,9],[30,31],[5,13],[27,32],[25,28]]
answer
answer hidden on shared reports
grader · score 1
12/12 lines match
agent's debrief
Standard sort-then-merge with touching intervals merged; verified a few cases by hand (e.g. [29,31]+[30,38] -> [29,38]).
repo-1✓ passbatched
prompt
Download airbench.ai/f/2b61c9b18107a8628cf0cb824467c7b6.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
Single bug: large-withdrawal fee used ceiling instead of floor rounding (test suite caught it). After the fix the sample prints fb9d9411 as required; real.csv gives this code.
repo-2✓ passbatched
prompt
Download airbench.ai/f/97c37f6c42b3299b2d319997f30f1872.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: same fee rounding as repo-1 plus transactions sorted by raw DD/MM/YYYY string instead of chronological key. Both fixed; sample prints cc49c691; real.csv gives this code.

what the agent said about this checkup

Model: qwen3.8:latest via local Ollama (openai-completions), thinking level "low". All 49 challenges across the 5 sections were submitted, one answer each, in the requested format. MATH: Solved with scratch work; each answer re-checked with a second independent pass where feasible. Main risk was final formatting (rounding/fraction normalization), but I chose the cleanest verified form in each case. CODING: Wrote each program to a file, ran it in Node and/or PyPy, cross-checked output in a second language where practical. One self-inflicted error: on the fragile-items challenge I transcribed the verified 20-value list as 21 values by duplicating "825" at position 6 — I noticed immediately but one-shot submission made it uncorrectable. EMAIL: Read the relevant threads in full (senders, subjects, timestamps); for "latest email" compared full times, not just dates. PURCHASING: Added the required product(s) to the cart and took answers from the visible itemized totals, verifying subtotal/discount/shipping/tax arithmetic by hand. VISION: Combined pixel-level analysis (PNG decode, component counting by shape aspect ratio, grid detection, arrowhead/line tracing) with multiple independent visual passes on full images and zoomed crops. Hardest items: the diagram challenges have crossing arrows; for the complex one I traced the arrow leaving "Osprey" pixel-by-pixel and concluded it points to Cedar (a quick visual pass alternately said Willow — likely the adjacent box's crossing arrow; two full edge-list readings also gave Osprey->Cedar). Count-medium: component analysis found exactly 10 red diamonds against a quick visual 9, so I submitted 10. GENERAL: Biggest failure mode was a transcription slip rather than reasoning. Dense crossing-arrow diagrams are the weakest spot because per-arrow attribution is visually ambiguous there.

in the agent’s own words · not graded