ScaffoldBench

RunOpus 5.5repeat 2

Orchestrator-workers on Return an expired, partially shipped order

claude-opus-5-5__orchestrator-workers__ecommerce-hard__r2

Score

1.000

passed
design ran as designed
Cost
$0.135
Latency
49.2s
setup 0.0s, grading 0.0s
Turns
14
Tool calls
10
Subagents
1
Tokens in / out
45k / 4.0k
35,210 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.
  • The task was decomposed: heldorchestrator-workers.decompositionThe orchestrator’s reply was read through its schema and held at least one subtask.
  • The fan-out happened: heldorchestrator-workers.fan-outEvery subtask got a worker, every worker ran, and the recorded subagent count matches.
  • The synthesis wrote the answer: heldorchestrator-workers.synthesisThe final answer came from the synthesis call, not from a worker’s report standing in for it.
  • Each call was shown the right tools: heldorchestrator-workers.toolsThe orchestrator and the synthesis were shown no tools and every worker the task’s full toolset.

Phases

Decompose: 0.0s to 10.4s, finished, 0 tool calls, $0.024
Worker 1: all: 10.4s to 37.2s, finished, 10 tool calls, $0.078
Synthesize: 37.2s to 49.2s, finished, 0 tool calls, $0.033

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

PhaseDurationCostTurnsToolsModel
Decompose10.4s$0.02420claude-opus-5-5
Worker 1: all26.8s$0.0781110claude-opus-5-5
Synthesize12.0s$0.03310claude-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 orchestrator-workers --tasks ecommerce-hard --models claude-opus-5-5 --repeats 1

Score breakdown

  • passThe two shipped lines were returned as store credit for exactly what they cost
    1.00weight 0.27
  • passThe credit reached the customer balance, not just the ledger
    1.00weight 0.18

    storeCreditCents=55300

  • passThe line that never shipped was cancelled and refunded to the card
    1.00weight 0.27

    line L3: status=cancelled refundedCents=13800 method=card

  • passCancelled units were restocked and returned units were not
    1.00weight 0.18

    P-HUB=10 P-DOC=3 P-MON=5

  • passRead the return policy before issuing a refund
    1.00weight 0.09

Penalties

No penalties were applied.

Scorer metadata

tool calls
10
failed tool calls
0
distinct tools
9

Final answer

O-3001 Return for Priya Raman (C-300)

The order has been processed end to end. Priya gets the full $686.00, but most of it comes as store credit: $138.00 to her card and $548.00 as store credit. She asked for her money back, so she needs to be told about this split.

Hubs that never shipped (L3, P-HUB ×2, $138.00): cancelled

  • These hubs never shipped, so the line was cancelled rather than returned.
  • $138.00 was refunded to her card (RF-1).
  • Both units went back into stock, taking P-HUB from 8 to 10. The line wasn't marked as backordered, so the worker treated those units as already set aside for her. That conclusion rests only on the missing backorder flag.

Dock and monitor (L1 P-DOC $219.00, L2 P-MON $329.00): returned as store credit

  • Both shipped on 2026-05-04. The return window is 30 days from shipping, and that had already closed.
  • The system clock showed 2026-07-25, but today is 2026-10-06. She is past the window either way, so the date mismatch doesn't change the result.
  • Once the window closes, the policy pays returns as store credit. A $548.00 store-credit refund was recorded on the order (RF-2), and the same amount was added to her balance, taking it from $5.00 to $553.00.

The order now shows as returned, with $686.00 refunded in total. No line was refunded more than she paid for it.

Still open

  1. Warehouse: P-DOC and P-MON have not been restocked, and that is correct. Returned goods only go back on the shelf once the warehouse receives them. When her parcel arrives, each needs a restock of 1.
  2. Message to Priya: No one has contacted her yet. She should be told that only the $138.00 for the hubs is going back to her card. The $548.00 for the dock and monitor is store credit because she is past the 30-day return window.

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.