ScaffoldBench

RunSonnet 5.5repeat 2

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

claude-sonnet-5-5__gated-execute__ecommerce-returns-desk__r2

Score

0.854

wrong answer
design ran as designed
Cost
$1.38
Latency
6m 23s
setup 0.0s, grading 0.0s
Turns
386
Tool calls
301
Subagents
42
Tokens in / out
1.1M / 40k
785,463 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 6m 23s, finished, 85 tool calls, $0.229
Review 1: refund_order: 29.8s to 39.3s, finished, 7 tool calls, $0.041
Review 2: refund_order: 39.3s to 55.5s, finished, 8 tool calls, $0.027
Review 3: refund_order: 55.5s to 1m 6s, finished, 8 tool calls, $0.027
Review 4: refund_order: 1m 6s to 1m 17s, finished, 9 tool calls, $0.030
Review 5: refund_order: 1m 17s to 1m 26s, finished, 7 tool calls, $0.026
Review 6: refund_order: 1m 26s to 1m 33s, finished, 5 tool calls, $0.021
Review 7: refund_order: 1m 33s to 1m 42s, finished, 6 tool calls, $0.026
Review 8: refund_order: 1m 42s to 1m 49s, finished, 5 tool calls, $0.021
Review 9: refund_order: 1m 49s to 1m 55s, finished, 5 tool calls, $0.021
Review 10: refund_order: 1m 55s to 2m 2s, finished, 5 tool calls, $0.022
Review 11: refund_order: 2m 2s to 2m 10s, finished, 5 tool calls, $0.024
Review 12: refund_order: 2m 10s to 2m 19s, finished, 6 tool calls, $0.025
Review 13: refund_order: 2m 19s to 2m 28s, finished, 8 tool calls, $0.030
Review 14: open_investigation: 2m 28s to 2m 34s, finished, 3 tool calls, $0.020
Review 15: apply_store_credit: 2m 36s to 2m 49s, finished, 9 tool calls, $0.035
Review 16: apply_store_credit: 2m 49s to 2m 58s, finished, 6 tool calls, $0.030
Review 17: restock_item: 2m 58s to 3m 5s, finished, 4 tool calls, $0.023
Review 18: restock_item: 3m 5s to 3m 12s, finished, 4 tool calls, $0.023
Review 19: restock_item: 3m 12s to 3m 18s, finished, 3 tool calls, $0.021
Review 20: restock_item: 3m 18s to 3m 24s, finished, 3 tool calls, $0.021
Review 21: restock_item: 3m 24s to 3m 30s, finished, 3 tool calls, $0.021
Review 22: restock_item: 3m 30s to 3m 37s, finished, 3 tool calls, $0.022
Review 23: restock_item: 3m 37s to 3m 43s, finished, 3 tool calls, $0.023
Review 24: restock_item: 3m 43s to 3m 50s, finished, 3 tool calls, $0.023
Review 25: restock_item: 3m 50s to 3m 58s, finished, 3 tool calls, $0.022
Review 26: restock_item: 3m 58s to 4m 5s, finished, 3 tool calls, $0.025
Review 27: restock_item: 4m 5s to 4m 10s, finished, 3 tool calls, $0.023
Review 28: restock_item: 4m 10s to 4m 17s, finished, 3 tool calls, $0.024
Review 29: restock_item: 4m 17s to 4m 23s, finished, 4 tool calls, $0.027
Review 30: restock_item: 4m 23s to 4m 31s, finished, 4 tool calls, $0.028
Review 31: close_return: 4m 33s to 4m 42s, finished, 6 tool calls, $0.032
Review 32: close_return: 4m 42s to 4m 51s, finished, 7 tool calls, $0.034
Review 33: close_return: 4m 51s to 5m 2s, finished, 9 tool calls, $0.039
Review 34: close_return: 5m 2s to 5m 12s, finished, 8 tool calls, $0.038
Review 35: close_return: 5m 12s to 5m 22s, finished, 7 tool calls, $0.037
Review 36: close_return: 5m 22s to 5m 28s, finished, 3 tool calls, $0.026
Review 37: close_return: 5m 28s to 5m 34s, finished, 3 tool calls, $0.027
Review 38: close_return: 5m 34s to 5m 41s, finished, 4 tool calls, $0.030
Review 39: close_return: 5m 41s to 5m 49s, finished, 3 tool calls, $0.028
Review 40: close_return: 5m 49s to 5m 57s, finished, 5 tool calls, $0.031
Review 41: close_return: 5m 57s to 6m 7s, finished, 6 tool calls, $0.036
Review 42: close_return: 6m 7s to 6m 15s, finished, 7 tool calls, $0.037

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

PhaseDurationCostTurnsToolsModel
Execute6m 23s$0.2298685claude-sonnet-5-5
Review 1: refund_order9.5s$0.04197claude-sonnet-5-5
Review 2: refund_order16.2s$0.027108claude-sonnet-5-5
Review 3: refund_order10.2s$0.027108claude-sonnet-5-5
Review 4: refund_order10.9s$0.030119claude-sonnet-5-5
Review 5: refund_order8.9s$0.02697claude-sonnet-5-5
Review 6: refund_order7.4s$0.02175claude-sonnet-5-5
Review 7: refund_order8.8s$0.02686claude-sonnet-5-5
Review 8: refund_order7.2s$0.02175claude-sonnet-5-5
Review 9: refund_order6.6s$0.02175claude-sonnet-5-5
Review 10: refund_order7.0s$0.02275claude-sonnet-5-5
Review 11: refund_order7.9s$0.02475claude-sonnet-5-5
Review 12: refund_order8.6s$0.02586claude-sonnet-5-5
Review 13: refund_order9.2s$0.030108claude-sonnet-5-5
Review 14: open_investigation6.3s$0.02053claude-sonnet-5-5
Review 15: apply_store_credit12.5s$0.035119claude-sonnet-5-5
Review 16: apply_store_credit9.3s$0.03086claude-sonnet-5-5
Review 17: restock_item7.3s$0.02364claude-sonnet-5-5
Review 18: restock_item6.7s$0.02364claude-sonnet-5-5
Review 19: restock_item6.0s$0.02153claude-sonnet-5-5
Review 20: restock_item6.2s$0.02153claude-sonnet-5-5
Review 21: restock_item5.8s$0.02153claude-sonnet-5-5
Review 22: restock_item6.7s$0.02253claude-sonnet-5-5
Review 23: restock_item6.6s$0.02353claude-sonnet-5-5
Review 24: restock_item7.0s$0.02353claude-sonnet-5-5
Review 25: restock_item7.6s$0.02253claude-sonnet-5-5
Review 26: restock_item6.7s$0.02553claude-sonnet-5-5
Review 27: restock_item5.6s$0.02353claude-sonnet-5-5
Review 28: restock_item6.2s$0.02453claude-sonnet-5-5
Review 29: restock_item6.9s$0.02764claude-sonnet-5-5
Review 30: restock_item7.4s$0.02864claude-sonnet-5-5
Review 31: close_return9.1s$0.03286claude-sonnet-5-5
Review 32: close_return9.7s$0.03497claude-sonnet-5-5
Review 33: close_return10.2s$0.039119claude-sonnet-5-5
Review 34: close_return10.1s$0.038108claude-sonnet-5-5
Review 35: close_return10.1s$0.03797claude-sonnet-5-5
Review 36: close_return6.4s$0.02653claude-sonnet-5-5
Review 37: close_return6.2s$0.02753claude-sonnet-5-5
Review 38: close_return6.9s$0.03064claude-sonnet-5-5
Review 39: close_return7.7s$0.02853claude-sonnet-5-5
Review 40: close_return7.7s$0.03175claude-sonnet-5-5
Review 41: close_return9.8s$0.03686claude-sonnet-5-5
Review 42: close_return8.5s$0.03797claude-sonnet-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-sonnet-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
301
failed tool calls
0
distinct tools
14

Final answer

I worked all 16 open RMAs. I closed 12, left 3 open and put 1 under investigation. One date conflict: your prompt says today is 2026-10-12, but the return policy and order data say 2026-07-25. I used 2026-07-25 for the return windows.

Closed (refunded and restocked):

  • RMA-801: Card refund of 10,965 (15% fee). The keyboard went back to sellable stock.
  • RMA-802: Card refund of 15,900. There is no fee because the request fell in the PU-21 window (10–20 July). The headphones went back to sellable stock.
  • RMA-803 and RMA-804: Each got 27,965 as store credit (15% fee). Both were requested 41 days after shipping, and neither customer held gold or platinum on the request date. C-803 only became gold on 15 July. I recorded each refund against its order and added the same amount to the customer's balance. Both monitors went back to sellable stock.
  • RMA-805: Card refund of 5,520, with the 20% fee that applied to requests made in May–June (PU-15). The hub went back to sellable stock.
  • RMA-806: Card refund of 7,350, no fee because the mice were defective. Both mice went into the damaged bucket.
  • RMA-810: Card refund of 9,900, which is the 12,900 paid less the 3,000 already refunded. The keyboard went into the damaged bucket.
  • RMA-811: Card refund of 4,900, no fee because the mouse was damaged in transit. The warehouse graded it resellable, so it went into sellable stock.
  • RMA-812: Card refund of 21,900, no fee because the dock was defective. The dock went into the damaged bucket.
  • RMA-813: Card refund of 10,965 (15% fee). The request came exactly 30 days after shipping, which is inside the window. The keyboard went back to sellable stock.
  • RMA-814: Card refund of 31,800 with no fee (PU-21). Both pairs arrived in separate parcels and went back to sellable stock.
  • RMA-815: Card refund of 10,965 (15% fee). The request came 38 days after shipping, but the customer is platinum, so the 45-day window applies (PU-18). The keyboard went back to sellable stock.

Left open:

  • RMA-809: The warehouse has received 2 of the 3 cables, one resellable and one damaged. I refunded those 2 units (3,800, no fee under PU-21) and restocked them, one sellable and one damaged. The RMA stays open for the third cable.
  • RMA-807 and RMA-816: The warehouse has received nothing against either one. I refunded and restocked nothing. The RMA-807 customer says the parcel reached the warehouse, but that doesn't count until the warehouse records it.

Investigation:

  • RMA-808: The warehouse received a cable (P-CAB) instead of the monitor (P-MON) the return covers. I opened investigation INV-1 and refunded and restocked nothing.

I didn't contact any customers, because the task didn't cover it.

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.