ScaffoldBench

RunOpus 5.5repeat 1

Gated-execute on Settle change requests under dated bulletins

claude-opus-5-5__gated-execute__airline-waiver-desk__r1

Score

0.818

wrong answer
design ran as designed
Cost
$2.77
Latency
9m 10s
setup 0.0s, grading 0.0s
Turns
463
Tool calls
406
Subagents
28
Tokens in / out
2.0M / 47k
1,757,357 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 9m 10s, finished, 96 tool calls, $0.546
Review 1: change_flight: 17.3s to 32.3s, finished, 11 tool calls, $0.071
Review 2: resolve_request: 35.0s to 53.1s, finished, 12 tool calls, $0.072
Review 3: change_flight: 58.5s to 1m 15s, finished, 11 tool calls, $0.070
Review 4: charge_fee: 1m 19s to 1m 34s, finished, 14 tool calls, $0.079
Review 5: charge_fee: 1m 34s to 1m 53s, finished, 14 tool calls, $0.087
Review 6: resolve_request: 1m 56s to 2m 9s, finished, 11 tool calls, $0.065
Review 7: change_flight: 2m 12s to 2m 27s, finished, 9 tool calls, $0.065
Review 8: charge_fee: 2m 30s to 2m 45s, finished, 15 tool calls, $0.084
Review 9: charge_fee: 2m 45s to 2m 59s, finished, 13 tool calls, $0.076
Review 10: resolve_request: 3m 2s to 3m 14s, finished, 9 tool calls, $0.063
Review 11: change_flight: 3m 19s to 3m 36s, finished, 11 tool calls, $0.077
Review 12: charge_fee: 3m 38s to 4m 2s, finished, 15 tool calls, $0.103
Review 13: resolve_request: 4m 5s to 4m 25s, finished, 12 tool calls, $0.093
Review 14: change_flight: 4m 29s to 4m 44s, finished, 8 tool calls, $0.072
Review 15: charge_fee: 4m 47s to 5m 2s, finished, 14 tool calls, $0.089
Review 16: charge_fee: 5m 2s to 5m 28s, finished, 14 tool calls, $0.102
Review 17: resolve_request: 5m 31s to 5m 44s, finished, 11 tool calls, $0.076
Review 18: change_flight: 5m 48s to 5m 59s, finished, 5 tool calls, $0.058
Review 19: resolve_request: 6m 2s to 6m 16s, finished, 12 tool calls, $0.080
Review 20: change_flight: 6m 20s to 6m 32s, finished, 5 tool calls, $0.058
Review 21: charge_fee: 6m 34s to 6m 48s, finished, 11 tool calls, $0.083
Review 22: resolve_request: 6m 50s to 7m 5s, finished, 10 tool calls, $0.084
Review 23: change_flight: 7m 10s to 7m 18s, finished, 4 tool calls, $0.055
Review 24: resolve_request: 7m 21s to 7m 38s, finished, 12 tool calls, $0.090
Review 25: change_flight: 7m 43s to 8m 4s, finished, 8 tool calls, $0.082
Review 26: charge_fee: 8m 7s to 8m 24s, finished, 14 tool calls, $0.103
Review 27: charge_fee: 8m 24s to 8m 42s, finished, 14 tool calls, $0.100
Review 28: resolve_request: 8m 44s to 9m 0s, finished, 11 tool calls, $0.085

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

PhaseDurationCostTurnsToolsModel
Execute9m 10s$0.5469796claude-opus-5-5
Review 1: change_flight15.1s$0.0711311claude-opus-5-5
Review 2: resolve_request18.1s$0.0721412claude-opus-5-5
Review 3: change_flight16.9s$0.0701311claude-opus-5-5
Review 4: charge_fee15.0s$0.0791614claude-opus-5-5
Review 5: charge_fee19.5s$0.0871614claude-opus-5-5
Review 6: resolve_request12.9s$0.0651311claude-opus-5-5
Review 7: change_flight15.0s$0.065119claude-opus-5-5
Review 8: charge_fee15.8s$0.0841715claude-opus-5-5
Review 9: charge_fee13.6s$0.0761513claude-opus-5-5
Review 10: resolve_request12.0s$0.063119claude-opus-5-5
Review 11: change_flight16.9s$0.0771311claude-opus-5-5
Review 12: charge_fee23.8s$0.1031715claude-opus-5-5
Review 13: resolve_request20.6s$0.0931412claude-opus-5-5
Review 14: change_flight15.0s$0.072108claude-opus-5-5
Review 15: charge_fee15.5s$0.0891614claude-opus-5-5
Review 16: charge_fee25.7s$0.1021614claude-opus-5-5
Review 17: resolve_request12.8s$0.0761311claude-opus-5-5
Review 18: change_flight11.1s$0.05875claude-opus-5-5
Review 19: resolve_request14.2s$0.0801412claude-opus-5-5
Review 20: change_flight11.8s$0.05875claude-opus-5-5
Review 21: charge_fee13.6s$0.0831311claude-opus-5-5
Review 22: resolve_request14.6s$0.0841210claude-opus-5-5
Review 23: change_flight8.5s$0.05564claude-opus-5-5
Review 24: resolve_request16.7s$0.0901412claude-opus-5-5
Review 25: change_flight21.3s$0.082108claude-opus-5-5
Review 26: charge_fee17.1s$0.1031614claude-opus-5-5
Review 27: charge_fee17.5s$0.1001614claude-opus-5-5
Review 28: resolve_request15.9s$0.0851311claude-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-waiver-desk --models claude-opus-5-5 --repeats 1

Score breakdown

  • passR5201: DL542 replaces the requested segment, the rest unchanged, same cabin
    1.00weight 0.03
  • passR5201 charged exactly the change fee and fare difference owed
    1.00weight 0.05

    owed change_fee 0, fare_difference 0; ledger got nothing

  • passQ-301 resolved with a note to the customer
    1.00weight 0.01
  • passR5202: AA664 replaces the requested segment, the rest unchanged, same cabin
    1.00weight 0.03
  • passR5202 charged exactly the change fee and fare difference owed
    1.00weight 0.05

    owed change_fee 7500, fare_difference 3500; ledger got change_fee 7500, fare_difference 3500

  • passQ-302 resolved with a note to the customer
    1.00weight 0.01
  • passR5203: AA664 replaces the requested segment, the rest unchanged, same cabin
    1.00weight 0.03
  • passR5203 charged exactly the change fee and fare difference owed
    1.00weight 0.05

    owed change_fee 15000, fare_difference 2500; ledger got change_fee 15000, fare_difference 2500

  • passQ-303 resolved with a note to the customer
    1.00weight 0.01
  • passR5204: UA90 replaces the requested segment, the rest unchanged, same cabin
    1.00weight 0.03
  • passR5204 charged exactly the change fee and fare difference owed
    1.00weight 0.05

    owed change_fee 0, fare_difference 3500; ledger got fare_difference 3500

  • passQ-304 resolved with a note to the customer
    1.00weight 0.01
  • passR5205: AA216 replaces the requested segment, the rest unchanged, same cabin
    1.00weight 0.03
  • passR5205 charged exactly the change fee and fare difference owed
    1.00weight 0.05

    owed change_fee 7500, fare_difference 1000; ledger got change_fee 7500, fare_difference 1000

  • passQ-305 resolved with a note to the customer
    1.00weight 0.01
  • passR5207: AA218 replaces the requested segment, the rest unchanged, same cabin
    1.00weight 0.03
  • passR5207 charged exactly the change fee and fare difference owed
    1.00weight 0.05

    owed change_fee 0, fare_difference 0; ledger got nothing

  • passQ-307 resolved with a note to the customer
    1.00weight 0.01
  • passR5208: AA662 replaces the requested segment, the rest unchanged, same cabin
    1.00weight 0.03
  • passR5208 charged exactly the change fee and fare difference owed
    1.00weight 0.05

    owed change_fee 7500, fare_difference 0; ledger got change_fee 7500

  • passQ-308 resolved with a note to the customer
    1.00weight 0.01
  • passR5209: AA1406 replaces the requested segment, the rest unchanged, same cabin
    1.00weight 0.03
  • passR5209 charged exactly the change fee and fare difference owed
    1.00weight 0.05

    owed change_fee 0, fare_difference 0; ledger got nothing

  • passQ-309 resolved with a note to the customer
    1.00weight 0.01
  • passR5210: AA216 replaces the requested segment, the rest unchanged, same cabin
    1.00weight 0.03
  • passR5210 charged exactly the change fee and fare difference owed
    1.00weight 0.05

    owed change_fee 7500, fare_difference 3000; ledger got change_fee 7500, fare_difference 3000

  • passQ-310 resolved with a note to the customer
    1.00weight 0.01
  • failR5211: AA216 replaces the requested segment, the rest unchanged, same cabin
    0.00weight 0.03
  • failR5211 charged exactly the change fee and fare difference owed
    0.00weight 0.05

    owed change_fee 0, fare_difference 0; ledger got nothing

  • failQ-311 resolved with a note to the customer
    0.00weight 0.01
  • failR5212: AA662 replaces the requested segment, the rest unchanged, same cabin
    0.00weight 0.03
  • failR5212 charged exactly the change fee and fare difference owed
    0.00weight 0.05

    owed change_fee 7500, fare_difference 0; ledger got nothing

  • failQ-312 resolved with a note to the customer
    0.00weight 0.01

Penalties

No penalties were applied.

Scorer metadata

tool calls
406
failed tool calls
0
distinct tools
17

Final answer

I made all nine flight changes requested yesterday, settled each one and resolved the requests. Five customers were charged, two of them despite expecting a waiver (Q-302 and Q-303). The system date is 2026-07-28, not 2026-10-05, so I judged which bulletins were in effect using 07-28. Before each change I checked that the new flight was scheduled and had seats, and every booking stayed in its original cabin.

RequestChangeChargedWhy
Q-301 R5201AA210 → DL542, 08-06$0Covered by the Chicago weather waiver (PB-2026-14).
Q-302 R5202AA660 → AA664, 08-07 (Boston)$75 change fee + $35 fare differenceThe customer expected a weather waiver, but the current one only covers Chicago, so normal rules apply.
Q-303 R5203AA662 → AA664, 08-07 (Boston, basic economy)$150 change fee + $25 fare differenceThe customer cited the Boston hurricane waiver (PB-2026-09), but it ended on 07-15 and only covered travel from 07-01 to 07-20. The basic economy change fee is $150 under PB-2026-16, and silver status isn't exempt.
Q-304 R5204UA88 → UA90, 08-09 (basic economy)$35 fare differenceThe waiver covers it and drops the change fee, but basic economy still pays the fare difference, even for gold members.
Q-305 R5205AA214 → AA216, 08-08$75 change fee + $10 fare differenceBooked 07-26, after the waiver's 07-24 cutoff.
Q-307 R5207AA212 → AA218, 08-08$0The customer offered to pay, but as a platinum member he's covered by the amendment (PB-2026-14A), which extends the waiver to 08-05.
Q-308 R5208AA660 → AA662, same day 08-05$75 flat feeThe same-day rule (PB-2026-12) is cheaper here than the normal $75 fee plus $13 fare difference.
Q-309 R5209Second flight only: AA1402 → AA1406 (Chicago to Boston, 08-03)$0Both the Chicago waiver and the same-day rule apply. Bulletin PB-2026-17 says to use whichever costs the customer less, so the waiver wins.
Q-310 R5210AA210 → AA216, 08-08$75 change fee + $30 fare differenceThe waiver allows one free move, and this booking already used it on 07-26.

Each customer's resolution note explains the new flight and any charge.

I didn't touch Q-306 (R5206). It's a cancellation, not a flight change, so I left it for the team that handles those.

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.