ScaffoldBench

RunOpus 5.5repeat 1

Gated-execute on Settle a desk of returns by what actually came back

claude-opus-5-5__gated-execute__ecommerce-returns-desk__r1

Score

0.854

wrong answer
design ran as designed
Cost
$2.79
Latency
7m 27s
setup 0.0s, grading 0.0s
Turns
394
Tool calls
309
Subagents
42
Tokens in / out
1.3M / 42k
1,021,261 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 7m 27s, finished, 87 tool calls, $0.534
Review 1: refund_order: 42.2s to 53.2s, finished, 8 tool calls, $0.080
Review 2: refund_order: 53.2s to 1m 2s, finished, 6 tool calls, $0.040
Review 3: refund_order: 1m 2s to 1m 13s, finished, 9 tool calls, $0.053
Review 4: refund_order: 1m 13s to 1m 24s, finished, 9 tool calls, $0.057
Review 5: refund_order: 1m 25s to 1m 34s, finished, 7 tool calls, $0.047
Review 6: refund_order: 1m 34s to 1m 41s, finished, 5 tool calls, $0.040
Review 7: apply_store_credit: 1m 44s to 1m 55s, finished, 7 tool calls, $0.050
Review 8: apply_store_credit: 1m 55s to 2m 5s, finished, 6 tool calls, $0.052
Review 9: refund_order: 2m 5s to 2m 16s, finished, 6 tool calls, $0.048
Review 10: refund_order: 2m 16s to 2m 26s, finished, 5 tool calls, $0.046
Review 11: refund_order: 2m 26s to 2m 35s, finished, 5 tool calls, $0.044
Review 12: refund_order: 2m 35s to 2m 44s, finished, 6 tool calls, $0.051
Review 13: refund_order: 2m 44s to 2m 54s, finished, 7 tool calls, $0.055
Review 14: refund_order: 2m 54s to 3m 3s, finished, 6 tool calls, $0.051
Review 15: refund_order: 3m 3s to 3m 14s, finished, 8 tool calls, $0.063
Review 16: restock_item: 3m 16s to 3m 23s, finished, 4 tool calls, $0.043
Review 17: restock_item: 3m 23s to 3m 31s, finished, 4 tool calls, $0.044
Review 18: restock_item: 3m 31s to 3m 39s, finished, 4 tool calls, $0.044
Review 19: restock_item: 3m 39s to 3m 53s, finished, 4 tool calls, $0.045
Review 20: restock_item: 3m 53s to 3m 60s, finished, 4 tool calls, $0.045
Review 21: restock_item: 3m 60s to 4m 8s, finished, 4 tool calls, $0.047
Review 22: restock_item: 4m 8s to 4m 15s, finished, 4 tool calls, $0.048
Review 23: restock_item: 4m 15s to 4m 22s, finished, 3 tool calls, $0.044
Review 24: restock_item: 4m 25s to 4m 33s, finished, 4 tool calls, $0.051
Review 25: restock_item: 4m 33s to 4m 41s, finished, 4 tool calls, $0.051
Review 26: restock_item: 4m 41s to 4m 48s, finished, 4 tool calls, $0.049
Review 27: restock_item: 4m 48s to 4m 57s, finished, 4 tool calls, $0.050
Review 28: restock_item: 4m 57s to 5m 4s, finished, 4 tool calls, $0.050
Review 29: restock_item: 5m 4s to 5m 12s, finished, 4 tool calls, $0.053
Review 30: open_investigation: 5m 12s to 5m 18s, finished, 3 tool calls, $0.047
Review 31: close_return: 5m 20s to 5m 31s, finished, 5 tool calls, $0.060
Review 32: close_return: 5m 31s to 5m 39s, finished, 5 tool calls, $0.056
Review 33: close_return: 5m 39s to 5m 50s, finished, 8 tool calls, $0.072
Review 34: close_return: 5m 50s to 6m 5s, finished, 7 tool calls, $0.072
Review 35: close_return: 6m 5s to 6m 13s, finished, 4 tool calls, $0.055
Review 36: close_return: 6m 13s to 6m 21s, finished, 5 tool calls, $0.062
Review 37: close_return: 6m 21s to 6m 28s, finished, 3 tool calls, $0.053
Review 38: close_return: 6m 28s to 6m 39s, finished, 6 tool calls, $0.070
Review 39: close_return: 6m 39s to 6m 47s, finished, 5 tool calls, $0.063
Review 40: close_return: 6m 47s to 6m 57s, finished, 5 tool calls, $0.065
Review 41: close_return: 6m 57s to 7m 4s, finished, 4 tool calls, $0.059
Review 42: close_return: 7m 4s to 7m 16s, finished, 7 tool calls, $0.075

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

PhaseDurationCostTurnsToolsModel
Execute7m 27s$0.5348887claude-opus-5-5
Review 1: refund_order10.9s$0.080108claude-opus-5-5
Review 2: refund_order8.6s$0.04086claude-opus-5-5
Review 3: refund_order11.4s$0.053119claude-opus-5-5
Review 4: refund_order11.3s$0.057119claude-opus-5-5
Review 5: refund_order9.3s$0.04797claude-opus-5-5
Review 6: refund_order7.7s$0.04075claude-opus-5-5
Review 7: apply_store_credit11.2s$0.05097claude-opus-5-5
Review 8: apply_store_credit10.2s$0.05286claude-opus-5-5
Review 9: refund_order10.6s$0.04886claude-opus-5-5
Review 10: refund_order10.2s$0.04675claude-opus-5-5
Review 11: refund_order8.6s$0.04475claude-opus-5-5
Review 12: refund_order9.4s$0.05186claude-opus-5-5
Review 13: refund_order9.6s$0.05597claude-opus-5-5
Review 14: refund_order8.9s$0.05186claude-opus-5-5
Review 15: refund_order11.1s$0.063108claude-opus-5-5
Review 16: restock_item7.0s$0.04364claude-opus-5-5
Review 17: restock_item7.5s$0.04464claude-opus-5-5
Review 18: restock_item7.9s$0.04464claude-opus-5-5
Review 19: restock_item14.0s$0.04564claude-opus-5-5
Review 20: restock_item7.2s$0.04564claude-opus-5-5
Review 21: restock_item7.9s$0.04764claude-opus-5-5
Review 22: restock_item7.4s$0.04864claude-opus-5-5
Review 23: restock_item7.0s$0.04453claude-opus-5-5
Review 24: restock_item8.2s$0.05164claude-opus-5-5
Review 25: restock_item8.3s$0.05164claude-opus-5-5
Review 26: restock_item7.4s$0.04964claude-opus-5-5
Review 27: restock_item8.6s$0.05064claude-opus-5-5
Review 28: restock_item6.8s$0.05064claude-opus-5-5
Review 29: restock_item7.7s$0.05364claude-opus-5-5
Review 30: open_investigation6.4s$0.04753claude-opus-5-5
Review 31: close_return10.3s$0.06075claude-opus-5-5
Review 32: close_return8.0s$0.05675claude-opus-5-5
Review 33: close_return11.7s$0.072108claude-opus-5-5
Review 34: close_return14.7s$0.07297claude-opus-5-5
Review 35: close_return7.5s$0.05564claude-opus-5-5
Review 36: close_return8.5s$0.06275claude-opus-5-5
Review 37: close_return7.0s$0.05353claude-opus-5-5
Review 38: close_return10.9s$0.07086claude-opus-5-5
Review 39: close_return8.3s$0.06375claude-opus-5-5
Review 40: close_return9.9s$0.06575claude-opus-5-5
Review 41: close_return6.9s$0.05964claude-opus-5-5
Review 42: close_return11.8s$0.07597claude-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 ecommerce-returns-desk --models claude-opus-5-5 --repeats 1

Score breakdown

  • passRMA-801: one refund of the right amount and method
    1.00weight 0.04

    expected 10965 card; got 10965 card

  • passRMA-801 left closed
    1.00weight 0.01
  • passRMA-802: one refund of the right amount and method
    1.00weight 0.04

    expected 15900 card; got 15900 card

  • passRMA-802 left closed
    1.00weight 0.01
  • passRMA-803: one refund of the right amount and method
    1.00weight 0.04

    expected 27965 store_credit; got 27965 store_credit

  • passRMA-803 left closed
    1.00weight 0.01
  • passRMA-804: one refund of the right amount and method
    1.00weight 0.04

    expected 27965 store_credit; got 27965 store_credit

  • passRMA-804 left closed
    1.00weight 0.01
  • passRMA-805: one refund of the right amount and method
    1.00weight 0.04

    expected 5520 card; got 5520 card

  • passRMA-805 left closed
    1.00weight 0.01
  • passRMA-806: one refund of the right amount and method
    1.00weight 0.04

    expected 7350 card; got 7350 card

  • passRMA-806 left closed
    1.00weight 0.01
  • failRMA-807: one refund of the right amount and method
    0.00weight 0.04

    expected 15900 card; got no refund

  • failRMA-807 left closed
    0.00weight 0.01
  • passRMA-808: investigation opened, nothing refunded
    1.00weight 0.04

    expected no refund; got no refund

  • passRMA-808 left investigating
    1.00weight 0.01
  • passRMA-809: one refund of the right amount and method
    1.00weight 0.04

    expected 3800 card; got 3800 card

  • passRMA-809 left open
    1.00weight 0.01
  • passRMA-810: one refund of the right amount and method
    1.00weight 0.04

    expected 9900 card; got 9900 card

  • passRMA-810 left closed
    1.00weight 0.01
  • passRMA-811: one refund of the right amount and method
    1.00weight 0.04

    expected 4900 card; got 4900 card

  • passRMA-811 left closed
    1.00weight 0.01
  • passRMA-812: one refund of the right amount and method
    1.00weight 0.04

    expected 21900 card; got 21900 card

  • passRMA-812 left closed
    1.00weight 0.01
  • passRMA-813: one refund of the right amount and method
    1.00weight 0.04

    expected 10965 card; got 10965 card

  • passRMA-813 left closed
    1.00weight 0.01
  • passRMA-814: one refund of the right amount and method
    1.00weight 0.04

    expected 31800 card; got 31800 card

  • passRMA-814 left closed
    1.00weight 0.01
  • passRMA-815: one refund of the right amount and method
    1.00weight 0.04

    expected 10965 card; got 10965 card

  • passRMA-815 left closed
    1.00weight 0.01
  • failRMA-816: one refund of the right amount and method
    0.00weight 0.04

    expected 4165 card; got no refund

  • failRMA-816 left closed
    0.00weight 0.01
  • passP-KEY returns restocked into the right buckets
    1.00weight 0.02

    sellable +3 damaged +1 (expected +3 / +1)

  • failP-HDP returns restocked into the right buckets
    0.00weight 0.02

    sellable +3 damaged +0 (expected +4 / +0)

  • passP-MON returns restocked into the right buckets
    1.00weight 0.02

    sellable +2 damaged +0 (expected +2 / +0)

  • passP-HUB returns restocked into the right buckets
    1.00weight 0.02

    sellable +1 damaged +0 (expected +1 / +0)

  • failP-MOU returns restocked into the right buckets
    0.00weight 0.02

    sellable +1 damaged +2 (expected +2 / +2)

  • passP-CAB returns restocked into the right buckets
    1.00weight 0.02

    sellable +1 damaged +1 (expected +1 / +1)

  • passP-DOC returns restocked into the right buckets
    1.00weight 0.02

    sellable +0 damaged +1 (expected +0 / +1)

  • passStore-credit balances moved by exactly the store-credit refunds owed
    1.00weight 0.02

Penalties

No penalties were applied.

Scorer metadata

tool calls
309
failed tool calls
0
distinct tools
14

Final answer

I worked through all 16 open returns. I settled and closed 12, opened an investigation on 1, and left 3 open because their goods haven't all arrived. The tools report today as 2026-07-25 (my session date says 2026-10-06), so I measured return windows and policy-update dates against 2026-07-25.

Settled and closed (12). Each was refunded, put back in stock by the warehouse's grade, then closed:

ReturnRefundBack into stockWhy
RMA-80110,965 to card1 P-KEY, sellableChanged mind, 15% fee
RMA-80215,900 to card1 P-HDP, sellableChanged mind; no fee (PU-21: requests 07-10 to 07-20)
RMA-80327,965 store credit1 P-MON, sellable41 days after shipping, outside the 30-day window. The customer only became gold on 07-15, after asking on 07-08, so the longer gold window (PU-18) doesn't apply. 15% fee
RMA-80427,965 store credit1 P-MON, sellable41 days, standard customer, outside the window. 15% fee
RMA-8055,520 to card1 P-HUB, sellableRequested 06-25, so the 20% peak-season fee applies (PU-15)
RMA-8067,350 to card2 P-MOU, damagedDefective, no fee. 7,350 is what was actually paid after the discount code
RMA-8109,900 to card1 P-KEY, damagedDefective. 12,900 paid minus 3,000 already refunded
RMA-8114,900 to card1 P-MOU, sellableDamaged in transit, no fee
RMA-81221,900 to card1 P-DOC, damagedDefective, requested on day 28 (inside the window)
RMA-81310,965 to card1 P-KEY, sellableRequested on exactly day 30, which is still inside the window. 15% fee
RMA-81431,800 to card2 P-HDP, sellableChanged mind, no fee (PU-21)
RMA-81510,965 to card1 P-KEY, sellable38 days, but the customer is platinum, so the 45-day window applies (PU-18). 15% fee

For RMA-803 and RMA-804, the refund is recorded on the order and the same 27,965 was added to each customer's store-credit balance.

Not closed:

  • RMA-808: the return is for a monitor (P-MON), but the warehouse received a cable (P-CAB). I opened an investigation (INV-1) and refunded and restocked nothing.
  • RMA-809: 2 of 3 cables have arrived. I refunded those 2 (3,800 to card, no fee under PU-21) and restocked 1 as sellable and 1 as damaged. It stays open until the third cable arrives.
  • RMA-807 and RMA-816: nothing has been received, so nothing was done. The RMA-807 customer says tracking shows delivery on 07-23 and asks for a refund today. There is no warehouse receipt, so under the rules no refund can be issued yet.

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.