ScaffoldBench

RunHaiku 4.5repeat 1

Propose-select on Add checked bags and collect the right fee

claude-haiku-4-5-20251001__propose-select__airline-easy__r1

Score

1.000

passed
design ran as designed
Cost
$0.114
Latency
51.9s
setup 0.0s, grading 0.0s
Turns
23
Tool calls
17
Subagents
3
Tokens in / out
69k / 8.3k
18,632 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.
  • All three proposers ran: heldpropose-select.proposalsThree proposers ran in parallel, each from its own angle, and none was starved while another ran.
  • The selector chose: heldpropose-select.selectionThe selector picked a proposal by a valid number, read from its schema reply and not a default.
  • Each call was shown the right tools: heldpropose-select.toolsEach proposer was shown the read-only tools, the selector none, and the executor the full toolset.

The run, call by call

76 recorded events, folded into 39

5 calls · 51.9s · $0.114

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

Score breakdown

  • passReservation holds three checked bags and is otherwise untouched
    1.00weight 0.43

    checked_bags=3, status=confirmed

  • passExactly one baggage fee, for the bags beyond the free allowance
    1.00weight 0.57

    expected 4500 cents for 1 chargeable bag(s), charged 4500

Penalties

No penalties were applied.

Scorer metadata

tool calls
17
failed tool calls
0
distinct tools
7

Final answer

Done. I have successfully updated Rosa Mendel's reservation R1042:

Summary of changes:

  • Checked bags: Updated from 1 to 3 bags
  • Baggage fee charged: $45.00 (4500 cents)

Why $45.00 is correct:

  • Rosa's Economy cabin entitlement: 1 free bag
  • Silver frequent flyer tier bonus: +1 free bag
  • Total free allowance: 2 bags
  • After adding 2 more bags, she has 3 bags total
  • Bags 1-2 are covered by her free allowance
  • Bag 3 is charged at the first-excess rate: $45.00

Rosa Mendel owes exactly $45.00 for the 2 additional checked bags.

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.