ScaffoldBench

RunOpus 5.5repeat 1

Gated-execute on Audit a week of baggage fees

claude-opus-5-5__gated-execute__airline-baggage-audit__r1

Score

1.000

passed
design ran as designed
Cost
$1.84
Latency
5m 58s
setup 0.0s, grading 0.0s
Turns
331
Tool calls
280
Subagents
25
Tokens in / out
1.2M / 34k
996,753 read from cache

Did the design run?

every check held
  • Run completed: heldharness.run-completedThe environment was built, the architecture returned and grading finished, none of them throwing.
  • No API failures: heldharness.apiNo model call failed at the API.
  • Every call ended: heldharness.calls-endedEvery call ended with a result, or was stopped by the run's own limits.
  • No harness tool denied: heldharness.harness-toolsThe sandbox guard never denied a harness tool, nor a tool the session itself offered.
  • Tool servers connected: heldharness.mcp-connectedEvery tool server the harness gave a call was connected when the session started.
  • No foreign tool servers: heldharness.mcp-hermeticNo call loaded a tool server the harness did not give it.
  • Builtin tools: heldharness.builtin-toolsA check recorded with the run.
  • Structured replies arrived: heldharness.structured-outputEvery call that asked for structured output and ran to the end got it.
  • No silent fallbacks: heldharness.not-degradedNo phase fell back on a default (an empty plan, a default winner) instead of its output.
  • Every state change was reviewed: heldgated-execute.reviewedEvery call that changed the world had been allowed by a review before it ran, counted from the world’s own journal.
  • Every decision was read: heldgated-execute.decisionsEvery review that ran to its end gave its decision through the schema; an unreadable one is a denial.
  • Each call was shown the right tools: heldgated-execute.toolsThe executor was shown the task’s full toolset and each reviewer the read-only tools.

Phases

Execute: 0.0s to 5m 58s, finished, 95 tool calls, $0.405
Review 1: refund_fee: 55.5s to 1m 13s, finished, 9 tool calls, $0.065
Review 2: refund_fee: 1m 13s to 1m 26s, finished, 10 tool calls, $0.063
Review 3: refund_fee: 1m 26s to 1m 40s, finished, 9 tool calls, $0.060
Review 4: refund_fee: 1m 40s to 1m 56s, finished, 11 tool calls, $0.078
Review 5: refund_fee: 1m 56s to 2m 13s, finished, 11 tool calls, $0.078
Review 6: refund_fee: 2m 13s to 2m 26s, finished, 7 tool calls, $0.064
Review 7: annotate_ledger_entry: 2m 28s to 2m 38s, finished, 8 tool calls, $0.053
Review 8: annotate_ledger_entry: 2m 38s to 2m 48s, finished, 7 tool calls, $0.051
Review 9: annotate_ledger_entry: 2m 48s to 2m 58s, finished, 6 tool calls, $0.048
Review 10: annotate_ledger_entry: 2m 58s to 3m 8s, finished, 6 tool calls, $0.053
Review 11: annotate_ledger_entry: 3m 8s to 3m 20s, finished, 8 tool calls, $0.058
Review 12: annotate_ledger_entry: 3m 20s to 3m 30s, finished, 6 tool calls, $0.050
Review 13: annotate_ledger_entry: 3m 30s to 3m 40s, finished, 7 tool calls, $0.053
Review 14: annotate_ledger_entry: 3m 40s to 3m 49s, finished, 6 tool calls, $0.049
Review 15: annotate_ledger_entry: 3m 49s to 3m 59s, finished, 6 tool calls, $0.053
Review 16: annotate_ledger_entry: 3m 59s to 4m 9s, finished, 7 tool calls, $0.054
Review 17: annotate_ledger_entry: 4m 11s to 4m 22s, finished, 6 tool calls, $0.054
Review 18: annotate_ledger_entry: 4m 22s to 4m 32s, finished, 8 tool calls, $0.058
Review 19: annotate_ledger_entry: 4m 32s to 4m 43s, finished, 7 tool calls, $0.058
Review 20: annotate_ledger_entry: 4m 43s to 4m 54s, finished, 8 tool calls, $0.059
Review 21: annotate_ledger_entry: 4m 54s to 5m 5s, finished, 8 tool calls, $0.061
Review 22: annotate_ledger_entry: 5m 5s to 5m 16s, finished, 7 tool calls, $0.061
Review 23: annotate_ledger_entry: 5m 16s to 5m 24s, finished, 2 tool calls, $0.038
Review 24: annotate_ledger_entry: 5m 24s to 5m 35s, finished, 7 tool calls, $0.055
Review 25: annotate_ledger_entry: 5m 35s to 5m 47s, finished, 8 tool calls, $0.064

Drawn from the phase records: timing and cost per call, no tool calls or messages.

PhaseDurationCostTurnsToolsModel
Execute5m 58s$0.4059695claude-opus-5-5
Review 1: refund_fee17.1s$0.065119claude-opus-5-5
Review 2: refund_fee13.4s$0.0631210claude-opus-5-5
Review 3: refund_fee13.5s$0.060119claude-opus-5-5
Review 4: refund_fee16.4s$0.0781311claude-opus-5-5
Review 5: refund_fee16.8s$0.0781311claude-opus-5-5
Review 6: refund_fee13.1s$0.06497claude-opus-5-5
Review 7: annotate_ledger_entry10.4s$0.053108claude-opus-5-5
Review 8: annotate_ledger_entry9.6s$0.05197claude-opus-5-5
Review 9: annotate_ledger_entry9.7s$0.04886claude-opus-5-5
Review 10: annotate_ledger_entry10.5s$0.05386claude-opus-5-5
Review 11: annotate_ledger_entry11.3s$0.058108claude-opus-5-5
Review 12: annotate_ledger_entry9.9s$0.05086claude-opus-5-5
Review 13: annotate_ledger_entry10.2s$0.05397claude-opus-5-5
Review 14: annotate_ledger_entry9.4s$0.04986claude-opus-5-5
Review 15: annotate_ledger_entry9.7s$0.05386claude-opus-5-5
Review 16: annotate_ledger_entry9.9s$0.05497claude-opus-5-5
Review 17: annotate_ledger_entry11.0s$0.05486claude-opus-5-5
Review 18: annotate_ledger_entry10.8s$0.058108claude-opus-5-5
Review 19: annotate_ledger_entry10.1s$0.05897claude-opus-5-5
Review 20: annotate_ledger_entry11.0s$0.059108claude-opus-5-5
Review 21: annotate_ledger_entry11.4s$0.061108claude-opus-5-5
Review 22: annotate_ledger_entry10.8s$0.06197claude-opus-5-5
Review 23: annotate_ledger_entry8.5s$0.03842claude-opus-5-5
Review 24: annotate_ledger_entry10.6s$0.05597claude-opus-5-5
Review 25: annotate_ledger_entry12.0s$0.064108claude-opus-5-5

The call-by-call replay is not published for this run. Traces are large, so the repository keeps 9 of this run set’s 900 and leaves the rest out; the score, phases and final answer on this page come from the committed run record.

Runs you can replay

Record this cell yourself: npm run bench -- run --strategies gated-execute --tasks airline-baggage-audit --models claude-opus-5-5 --repeats 1

Score breakdown

  • passL2 (R8124): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL2: audit outcome recorded as correct
    1.00weight 0.02
  • passL3 (R8125): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 12000 of an expected 12000

  • passL3: audit outcome recorded as overcharged
    1.00weight 0.02
  • passL4 (R8112): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL4: audit outcome recorded as undercharged
    1.00weight 0.02
  • passL5 (R8116): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 5500 of an expected 5500

  • passL5: audit outcome recorded as overcharged
    1.00weight 0.02
  • passL6 (R8117): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL6: audit outcome recorded as correct
    1.00weight 0.02
  • passL7 (R8118): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 4500 of an expected 4500

  • passL7: audit outcome recorded as overcharged
    1.00weight 0.02
  • passL8 (R8120): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL8: audit outcome recorded as correct
    1.00weight 0.02
  • passL9 (R8126): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL9: audit outcome recorded as correct
    1.00weight 0.02
  • passL10 (R8113): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 7500 of an expected 7500

  • passL10: audit outcome recorded as overcharged
    1.00weight 0.02
  • passL11 (R8115): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL11: audit outcome recorded as correct
    1.00weight 0.02
  • passL12 (R8122): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL12: audit outcome recorded as correct
    1.00weight 0.02
  • passL13 (R8123): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL13: audit outcome recorded as correct
    1.00weight 0.02
  • passL15 (R8119): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 2500 of an expected 2500

  • passL15: audit outcome recorded as overcharged
    1.00weight 0.02
  • passL16 (R8110): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL16: audit outcome recorded as correct
    1.00weight 0.02
  • passL17 (R8111): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL17: audit outcome recorded as correct
    1.00weight 0.02
  • passL18 (R8114): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL18: audit outcome recorded as correct
    1.00weight 0.02
  • passL19 (R8114): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 5000 of an expected 5000

  • passL19: audit outcome recorded as overcharged
    1.00weight 0.02
  • passL20 (R8121): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL20: audit outcome recorded as undercharged
    1.00weight 0.02
  • passL21 (R8122): audited, and refunded exactly the overcharge, if any
    1.00weight 0.04

    refunded 0 of an expected 0

  • passL21: audit outcome recorded as correct
    1.00weight 0.02

Penalties

No penalties were applied.

Scorer metadata

tool calls
280
failed tool calls
2
distinct tools
12

Final answer

I checked all 19 baggage fees posted from 2026-07-20 through 2026-07-26 and recorded an outcome on each one. Six were overcharged and I refunded them, two were undercharged, and 11 were correct. In total, 37,000 cents ($370) was refunded.

How I judged each fee: I used the rules in force on the day it was charged.

  • Free bags: the cabin gives 0 (basic economy), 1 (economy) or 2 (premium economy and business). Silver adds 1 bag and gold or platinum adds 2.
  • Prices: the first chargeable bag was 4500 cents ($45) until 2026-07-22. Bulletin PB-2026-13 raised it to 5000 cents ($50) from 2026-07-23. The published baggage rules haven't been updated yet, so they still show 4500. Each further bag is 7500 cents ($75).
  • Changes after the charge: I used each passenger's tier and cabin on the charge date, not their current ones. Four bookings had a change around the window: R8125 dropped from gold on 07-21, R8117 and R8126 moved up a tier on 07-22, and R8120 and R8123 changed cabin on 07-22 and 07-23.

Overcharged and refunded to the original payment method:

EntryBookingChargedShould have beenRefunded
L3R8125120000 (gold on 07-20, 3 free bags)12000 (L25)
L5R81161200045005500 (L26)
L7R811845000 (silver, 2 free bags)4500 (L27)
L10R81131200045007500 (L28)
L15R811975005000 (new price)2500 (L29)
L19R811450000 (second charge for the same 3 bags as L18)5000 (L30)
  • L5: the overcharge was 7500 cents, but agent-3 had already given a 2000-cent courtesy refund (L24) on 07-27. I refunded the remaining 5500.
  • L19: I refunded the duplicate in full. The first charge, L18, was checked separately and was correct.

Undercharged, recorded but not re-billed (the rules don't allow it):

  • L4 (R8112) was charged 9000 instead of 12000.
  • L20 (R8121) was charged 4500 on 07-25 instead of 5000.

Correct: L2, L6, L8, L9, L11, L12, L13, L16, L17, L18 and L21. L21 (R8122) is a later charge for one extra bag, not a duplicate, so it was right to bill it at the further-bag price.

Two things to check:

  • The payment lookup said "no payment instrument on file" for all six refunded bookings, so I couldn't confirm the original cards are active. The rules say to refund an overcharge to the original payment method, and the system accepted all six refunds that way. If those cards turn out to be closed, the money should be reissued as travel credit.
  • The bulletin list gave today's date as 2026-07-28, not 2026-10-05. This didn't affect the audit, because each fee was judged by the rules on its charge date.

I didn't message any passengers or resolve any queue requests, because none were part of this task.

Provenance of the numbers on this page

run set
scaffold-or-scale-v1
models
Haiku 4.5, Sonnet 5.5, Opus 5.5
effort
high
repeats
2
fixtures
replay
runs
900 / 900
strategy cost
$354.44
judge cost
$9.19
wall clock
9h 48m
git
fce5807b2d

Cost excludes judge calls, which are tracked separately so a scoring model never flatters or penalises an architecture. Every figure on this site is read from results/ at build time.