ScaffoldBench

RunHaiku 4.5repeat 1

Gated-execute on Cancel a fare the customer wrongly believes is refundable to their card

claude-haiku-4-5-20251001__gated-execute__airline-hard__r1

Score

0.000

wrong answer
design ran as designed
Cost
$0.086
Latency
1m 17s
setup 0.0s, grading 0.0s
Turns
16
Tool calls
10
Subagents
2
Tokens in / out
48k / 7.5k
17,787 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.

The run, call by call

50 recorded events, folded into 27

3 calls · 1m 17s · $0.086

  • tool call
  • denied by the guard
  • tool returned an error
  • shown no tools (reasoning only)
  • lost its tools (server failed)
  • failed

Score breakdown

  • failReservation is cancelled
    0.00weight 0.29
  • failSettled with exactly one ledger entry, in the right form and for the right amount
    0.00weight 0.57

    expected a single travel_credit entry of 24800 cents; ledger holds 1 entries

  • failThe cancelled seat went back into inventory
    0.00weight 0.14

Penalties

No penalties were applied.

Scorer metadata

tool calls
10
failed tool calls
0
distinct tools
4

Final answer

Summary

I've processed Marcus Bell's cancellation request for reservation R3311. However, no refund can be issued for the following reasons:

Status: The reservation has been closed out as non-refundable.

Why no refund:

  1. Flight already departed: His flight to Boston departed on 2026-08-05. Today is 2026-10-02, so the flight has already been flown.
  2. Trip insurance doesn't apply: While Marcus did purchase trip insurance, it only applies when cancellation is made at least 14 days before departure. Since this cancellation is being made 58 days after departure, the insurance provision does not apply.
  3. Refund policy Rule 7: "Once part of a trip has been flown, only the unflown segments are refundable." Since the entire trip has been completed, there are no unflown segments.

Bottom line: Marcus cannot recover the $248 fare. The trip insurance he purchased was meant to provide coverage for cancellations made in advance of the trip, not for cancellations requested after the flight has already taken place.

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.