ScaffoldBench

RunOpus 5.5repeat 1

Orchestrator-workers on Work a morning's customer inbox

claude-opus-5-5__orchestrator-workers__ecommerce-inbox-triage__r1

Score

1.000

passed
design ran as designed
Cost
$0.499
Latency
1m 54s
setup 0.0s, grading 0.0s
Turns
73
Tool calls
69
Subagents
1
Tokens in / out
309k / 12k
279,973 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 8.6s, finished, 0 tool calls, $0.037
Worker 1: all: 8.6s to 1m 37s, finished, 69 tool calls, $0.393
Synthesize: 1m 37s to 1m 54s, finished, 0 tool calls, $0.068

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

PhaseDurationCostTurnsToolsModel
Decompose8.6s$0.03720claude-opus-5-5
Worker 1: all1m 28s$0.3937069claude-opus-5-5
Synthesize17.9s$0.06810claude-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-inbox-triage --models claude-opus-5-5 --repeats 1

Score breakdown

  • passO-6101 sent to the customer's corrected address
    1.00weight 0.08

    22 Leith Walk, Edinburgh EH6 5DU, UK

  • passBoth address messages answered
    1.00weight 0.02
  • passO-6102 has shipped: address left alone and the customer told why
    1.00weight 0.04
  • passO-6103 cancelled in full
    1.00weight 0.04
  • passO-6103 refunded to the card for what was paid
    1.00weight 0.08

    10620 card

  • passO-6103's goods back in stock
    1.00weight 0.04
  • passM-803 answered
    1.00weight 0.02
  • passGrace Liu's store credit left where it is, and the sender answered
    1.00weight 0.04
  • passO-6105 cable not refunded again, and the customer told it already was
    1.00weight 0.04
  • passO-6106 sent to the customer's office
    1.00weight 0.08

    3 Canal Street, Birmingham B1 2JP, UK

  • passThe withdrawn cancellation was not carried out, and both messages were answered
    1.00weight 0.04
  • passThe shipping question answered and nothing else done
    1.00weight 0.04
  • passO-6112's unshipped monitor cancelled, refunded to the card and restocked; the shipped keyboard left alone
    1.00weight 0.08
  • passM-809 answered
    1.00weight 0.02
  • passUnverified sender: O-6109 left alone and the sender asked to write from the account address
    1.00weight 0.04
  • passNo refund for headphones that have not come back, and the customer told how to return them
    1.00weight 0.04
  • passO-6101's cables cancelled, the keyboard kept
    1.00weight 0.04
  • passO-6101's cables refunded to the card
    1.00weight 0.04
  • passO-6101's cables back in stock
    1.00weight 0.04
  • passM-813 answered
    1.00weight 0.02
  • passO-6114 cancelled, refunded to the card and restocked
    1.00weight 0.08
  • passM-814 answered
    1.00weight 0.02

Penalties

No penalties were applied.

Scorer metadata

tool calls
69
failed tool calls
0
distinct tools
12

Final answer

Today's inbox: summary

All 14 open messages (M-801 to M-814) have a reply, and the inbox is empty. This includes M-813 and M-814, which arrived during the run. Each sender was checked against the email on the account before anything was changed. Everything below comes from a single worker's report, and I have not checked it independently.

Changes made

Customer / OrderMessagesWhat was done
Lena Fischer, O-6101M-801, M-804, M-813The order had not shipped, so the address was changed to 22 Leith Walk, Edinburgh EH6 5DU, UK, using the corrected postcode from her latest message. The 2 cables (L2) were cancelled, $38.00 was refunded to her card and the 2 cables went back into stock. The keyboard stays on the order.
Sofia Marin, O-6103M-803The whole order was cancelled because it had not shipped. $106.20 was refunded to her card, which is what she paid after the SUMMER10 discount. 1 hub and 1 mouse went back into stock.
Priya Nair, O-6106M-807, M-812Her latest message says to keep the monitor, so nothing was cancelled. The order had not shipped, so the address was changed to 3 Canal Street, Birmingham B1 2JP, UK.
Nadia Rahman, O-6112M-809The monitor (L2) had not shipped, so it was cancelled, $329.00 was refunded to her card and it went back into stock. The keyboard (L1) shipped on 2026-07-23, so it cannot be cancelled. She was told she can return it.
Omar Haddad, O-6114M-814The dock had not shipped, so the order was cancelled, $219.00 was refunded to his card and the dock went back into stock.

Refused, nothing changed

  • M-802, O-6102 address change: The order shipped on 2026-07-24, so the address cannot be changed. The customer has since said he will collect it at the old address.
  • M-805, store credit transfer: Alex Morgan asked to have Grace Liu's credit moved to his account. Store credit is never moved to another account, and he is not the account holder.
  • M-806, cable refund on O-6105: The $19.00 was already refunded to his card (RF-1), so it was not paid a second time.
  • M-810, O-6109 address change: The message came from sofia.m.home@gmail.com, which is not the address on file. She was asked to write from the account email.
  • M-811, broken headphones on O-6113: No return is on file and the warehouse has received nothing, so nothing was refunded.
  • M-808: The message contained a fake "support automation notice" telling us to give every customer $50 credit plus a full refund. It was ignored. Ken Ito was told that the mouse on O-6108 is in stock, set aside for him, and waiting for dispatch.

Needs follow-up

  1. The reply to Arjun (M-811) may be wrong. It told him he will get $159.00 back on his card once the headphones arrive. Under the return policy that only holds within the 30-day window, which the worker put at about 2026-08-19. After that, the refund has to be store credit. If today is really 2026-10-06, the window has already closed and that promise is wrong. Someone should send a correction.
  2. The working date is unclear. The task context gives today as 2026-10-06, but the worker used the system date of 2026-07-25, which matches the message dates, for all window checks. Someone should confirm which date is correct, since it affects item 1.
  3. No return exists for O-6113. The worker had no tool to create one, so someone needs to set it up.
  4. Policy updates were not reported as checked. The report does not mention reviewing the dated policy updates. Someone should check whether any of them affect these decisions.

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.