ScaffoldBench

RunOpus 5.5repeat 2

Gated-execute on Settle change requests under dated bulletins

claude-opus-5-5__gated-execute__airline-waiver-desk__r2

Score

0.818

wrong answer
design ran as designed
Cost
$2.77
Latency
9m 17s
setup 0.0s, grading 0.0s
Turns
464
Tool calls
407
Subagents
28
Tokens in / out
2.0M / 47k
1,770,801 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 17s, finished, 94 tool calls, $0.548
Review 1: change_flight: 17.1s to 30.9s, finished, 11 tool calls, $0.067
Review 2: resolve_request: 33.6s to 57.5s, finished, 12 tool calls, $0.076
Review 3: change_flight: 1m 2s to 1m 20s, finished, 12 tool calls, $0.072
Review 4: charge_fee: 1m 24s to 1m 45s, finished, 13 tool calls, $0.070
Review 5: charge_fee: 1m 45s to 2m 0s, finished, 14 tool calls, $0.081
Review 6: resolve_request: 2m 4s to 2m 18s, finished, 12 tool calls, $0.068
Review 7: change_flight: 2m 21s to 2m 35s, finished, 10 tool calls, $0.067
Review 8: charge_fee: 2m 38s to 2m 53s, finished, 13 tool calls, $0.079
Review 9: charge_fee: 2m 53s to 3m 8s, finished, 10 tool calls, $0.078
Review 10: resolve_request: 3m 11s to 3m 23s, finished, 12 tool calls, $0.071
Review 11: change_flight: 3m 29s to 3m 42s, finished, 9 tool calls, $0.066
Review 12: charge_fee: 3m 45s to 4m 5s, finished, 15 tool calls, $0.099
Review 13: resolve_request: 4m 8s to 4m 28s, finished, 12 tool calls, $0.095
Review 14: change_flight: 4m 32s to 4m 56s, finished, 10 tool calls, $0.083
Review 15: charge_fee: 4m 58s to 5m 14s, finished, 14 tool calls, $0.086
Review 16: charge_fee: 5m 14s to 5m 34s, finished, 14 tool calls, $0.101
Review 17: resolve_request: 5m 37s to 5m 51s, finished, 12 tool calls, $0.082
Review 18: change_flight: 5m 55s to 6m 9s, finished, 4 tool calls, $0.051
Review 19: resolve_request: 6m 12s to 6m 28s, finished, 11 tool calls, $0.081
Review 20: change_flight: 6m 33s to 6m 42s, finished, 4 tool calls, $0.050
Review 21: charge_fee: 6m 45s to 6m 60s, finished, 12 tool calls, $0.087
Review 22: resolve_request: 7m 2s to 7m 16s, finished, 12 tool calls, $0.086
Review 23: change_flight: 7m 20s to 7m 31s, finished, 5 tool calls, $0.061
Review 24: resolve_request: 7m 34s to 7m 54s, finished, 12 tool calls, $0.099
Review 25: change_flight: 8m 0s to 8m 21s, finished, 11 tool calls, $0.099
Review 26: charge_fee: 8m 23s to 8m 37s, finished, 12 tool calls, $0.088
Review 27: charge_fee: 8m 37s to 8m 51s, finished, 14 tool calls, $0.096
Review 28: resolve_request: 8m 54s to 9m 7s, finished, 11 tool calls, $0.084

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

PhaseDurationCostTurnsToolsModel
Execute9m 17s$0.5489594claude-opus-5-5
Review 1: change_flight13.7s$0.0671311claude-opus-5-5
Review 2: resolve_request23.9s$0.0761412claude-opus-5-5
Review 3: change_flight17.1s$0.0721412claude-opus-5-5
Review 4: charge_fee21.1s$0.0701513claude-opus-5-5
Review 5: charge_fee15.2s$0.0811614claude-opus-5-5
Review 6: resolve_request14.1s$0.0681412claude-opus-5-5
Review 7: change_flight14.7s$0.0671210claude-opus-5-5
Review 8: charge_fee15.2s$0.0791513claude-opus-5-5
Review 9: charge_fee14.9s$0.0781210claude-opus-5-5
Review 10: resolve_request12.1s$0.0711412claude-opus-5-5
Review 11: change_flight13.8s$0.066119claude-opus-5-5
Review 12: charge_fee20.3s$0.0991715claude-opus-5-5
Review 13: resolve_request19.8s$0.0951412claude-opus-5-5
Review 14: change_flight24.0s$0.0831210claude-opus-5-5
Review 15: charge_fee15.6s$0.0861614claude-opus-5-5
Review 16: charge_fee20.0s$0.1011614claude-opus-5-5
Review 17: resolve_request13.7s$0.0821412claude-opus-5-5
Review 18: change_flight14.4s$0.05164claude-opus-5-5
Review 19: resolve_request16.6s$0.0811311claude-opus-5-5
Review 20: change_flight9.5s$0.05064claude-opus-5-5
Review 21: charge_fee14.4s$0.0871412claude-opus-5-5
Review 22: resolve_request14.2s$0.0861412claude-opus-5-5
Review 23: change_flight10.4s$0.06175claude-opus-5-5
Review 24: resolve_request20.4s$0.0991412claude-opus-5-5
Review 25: change_flight20.5s$0.0991311claude-opus-5-5
Review 26: charge_fee13.3s$0.0881412claude-opus-5-5
Review 27: charge_fee14.7s$0.0961614claude-opus-5-5
Review 28: resolve_request12.5s$0.0841311claude-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
407
failed tool calls
0
distinct tools
16

Final answer

I worked all nine flight-change requests from yesterday (2026-07-27). Each customer is on the flight they asked for, in the cabin they booked, and each request is resolved with a note explaining the cost. Six of the nine customers were charged; three paid nothing.

RequestChangeChargedWhy
Q-301 (R5201)AA210 → DL542, 08-06$0Chicago weather waiver (PB-2026-14) covers it; fee and fare difference waived
Q-302 (R5202)AA660 → AA664, 08-07 (Boston)$75 change fee + $35 fare differenceThe Chicago waiver doesn't cover Boston, and the Boston waiver PB-2026-09 ended 07-15
Q-303 (R5203)AA662 → AA664, basic economy$150 change fee + $25 fare differenceThe customer cited PB-2026-09, but it had expired and only covered travel 07-01 to 07-20. The $150 basic economy fee comes from PB-2026-16; silver status isn't exempt
Q-304 (R5204)UA88 → UA90, basic economy, gold$35 fare differenceChicago waiver applies, but basic economy still pays the fare difference
Q-305 (R5205)AA214 → AA216$75 change fee + $10 fare differenceTicketed 07-26, after the waiver's 07-24 cutoff
Q-307 (R5207)AA212 → AA218, platinum$0Amendment PB-2026-14A extends the waiver to 08-05 for gold and platinum members. The customer had offered to pay
Q-308 (R5208)AA660 → AA662, same day$75 flatSame-day change bulletin PB-2026-12. Bulletin PB-2026-17 says to apply whichever option costs the customer least, and this beats the normal $75 fee plus $13 fare difference
Q-309 (R5209)Second leg only, AA1402 → AA1406$0Chicago waiver covers travel from Chicago on 08-03. The first leg is unchanged and the new departure leaves plenty of time to connect
Q-310 (R5210)AA210 → AA216$75 change fee + $30 fare differenceThe waiver allows one free move, and this customer already used it on 07-26

Things I left alone or that don't match:

  • Q-306 (R5206): I didn't touch it. It's a cancellation, not a flight change, so it's outside this task.
  • Today's date: your instructions say 2026-10-06, but the airline system reports 2026-07-28. I went by the system date, which fits the requests being from "yesterday." Under 2026-10-06 the Chicago waivers would already have ended, and the charges for Q-301, Q-304, Q-307 and Q-309 would have been different.

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.