ScaffoldBench

RunSonnet 5.5repeat 1

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

claude-sonnet-5-5__gated-execute__ecommerce-returns-desk__r1

Score

0.854

wrong answer
design ran as designed
Cost
$1.36
Latency
5m 55s
setup 0.0s, grading 0.0s
Turns
381
Tool calls
296
Subagents
42
Tokens in / out
1.1M / 40k
792,019 read from cache
Attempts
2
retried after API errors

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 5m 55s, finished, 77 tool calls, $0.229
Review 1: refund_order: 27.7s to 37.6s, finished, 6 tool calls, $0.023
Review 2: refund_order: 37.6s to 45.5s, finished, 8 tool calls, $0.025
Review 3: refund_order: 45.5s to 55.5s, finished, 8 tool calls, $0.028
Review 4: refund_order: 55.5s to 1m 5s, finished, 9 tool calls, $0.029
Review 5: refund_order: 1m 5s to 1m 14s, finished, 7 tool calls, $0.025
Review 6: refund_order: 1m 14s to 1m 22s, finished, 5 tool calls, $0.022
Review 7: refund_order: 1m 22s to 1m 30s, finished, 6 tool calls, $0.025
Review 8: refund_order: 1m 30s to 1m 37s, finished, 5 tool calls, $0.022
Review 9: refund_order: 1m 37s to 1m 43s, finished, 5 tool calls, $0.021
Review 10: refund_order: 1m 43s to 1m 52s, finished, 5 tool calls, $0.023
Review 11: refund_order: 1m 52s to 1m 59s, finished, 5 tool calls, $0.024
Review 12: refund_order: 1m 59s to 2m 7s, finished, 7 tool calls, $0.028
Review 13: refund_order: 2m 7s to 2m 18s, finished, 8 tool calls, $0.034
Review 14: apply_store_credit: 2m 20s to 2m 33s, finished, 8 tool calls, $0.034
Review 15: apply_store_credit: 2m 33s to 2m 41s, finished, 6 tool calls, $0.029
Review 16: restock_item: 2m 41s to 2m 47s, finished, 4 tool calls, $0.023
Review 17: restock_item: 2m 47s to 2m 53s, finished, 3 tool calls, $0.020
Review 18: restock_item: 2m 53s to 2m 59s, finished, 4 tool calls, $0.023
Review 19: restock_item: 2m 59s to 3m 5s, finished, 4 tool calls, $0.023
Review 20: restock_item: 3m 5s to 3m 11s, finished, 3 tool calls, $0.021
Review 21: restock_item: 3m 11s to 3m 16s, finished, 3 tool calls, $0.021
Review 22: restock_item: 3m 16s to 3m 22s, finished, 4 tool calls, $0.025
Review 23: restock_item: 3m 22s to 3m 29s, finished, 3 tool calls, $0.023
Review 24: restock_item: 3m 29s to 3m 34s, finished, 3 tool calls, $0.023
Review 25: restock_item: 3m 34s to 3m 40s, finished, 3 tool calls, $0.023
Review 26: restock_item: 3m 40s to 3m 46s, finished, 3 tool calls, $0.023
Review 27: restock_item: 3m 46s to 3m 53s, finished, 3 tool calls, $0.024
Review 28: restock_item: 3m 53s to 4m 0s, finished, 3 tool calls, $0.024
Review 29: restock_item: 4m 0s to 4m 7s, finished, 3 tool calls, $0.024
Review 30: open_investigation: 4m 7s to 4m 13s, finished, 3 tool calls, $0.023
Review 31: close_return: 4m 15s to 4m 24s, finished, 7 tool calls, $0.037
Review 32: close_return: 4m 24s to 4m 32s, finished, 6 tool calls, $0.032
Review 33: close_return: 4m 32s to 4m 42s, finished, 9 tool calls, $0.041
Review 34: close_return: 4m 42s to 4m 51s, finished, 9 tool calls, $0.038
Review 35: close_return: 4m 51s to 4m 58s, finished, 7 tool calls, $0.035
Review 36: close_return: 4m 58s to 5m 7s, finished, 5 tool calls, $0.032
Review 37: close_return: 5m 7s to 5m 13s, finished, 3 tool calls, $0.027
Review 38: close_return: 5m 13s to 5m 19s, finished, 4 tool calls, $0.028
Review 39: close_return: 5m 19s to 5m 25s, finished, 3 tool calls, $0.027
Review 40: close_return: 5m 25s to 5m 32s, finished, 5 tool calls, $0.032
Review 41: close_return: 5m 32s to 5m 39s, finished, 6 tool calls, $0.035
Review 42: close_return: 5m 39s to 5m 49s, finished, 8 tool calls, $0.039

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

PhaseDurationCostTurnsToolsModel
Execute5m 55s$0.2297877claude-sonnet-5-5
Review 1: refund_order9.9s$0.02386claude-sonnet-5-5
Review 2: refund_order7.9s$0.025108claude-sonnet-5-5
Review 3: refund_order10.0s$0.028108claude-sonnet-5-5
Review 4: refund_order9.5s$0.029119claude-sonnet-5-5
Review 5: refund_order9.4s$0.02597claude-sonnet-5-5
Review 6: refund_order7.8s$0.02275claude-sonnet-5-5
Review 7: refund_order7.7s$0.02586claude-sonnet-5-5
Review 8: refund_order6.9s$0.02275claude-sonnet-5-5
Review 9: refund_order6.0s$0.02175claude-sonnet-5-5
Review 10: refund_order8.8s$0.02375claude-sonnet-5-5
Review 11: refund_order7.5s$0.02475claude-sonnet-5-5
Review 12: refund_order8.1s$0.02897claude-sonnet-5-5
Review 13: refund_order10.5s$0.034108claude-sonnet-5-5
Review 14: apply_store_credit12.6s$0.034108claude-sonnet-5-5
Review 15: apply_store_credit8.4s$0.02986claude-sonnet-5-5
Review 16: restock_item6.1s$0.02364claude-sonnet-5-5
Review 17: restock_item5.4s$0.02053claude-sonnet-5-5
Review 18: restock_item6.0s$0.02364claude-sonnet-5-5
Review 19: restock_item6.2s$0.02364claude-sonnet-5-5
Review 20: restock_item5.6s$0.02153claude-sonnet-5-5
Review 21: restock_item5.0s$0.02153claude-sonnet-5-5
Review 22: restock_item6.4s$0.02564claude-sonnet-5-5
Review 23: restock_item6.5s$0.02353claude-sonnet-5-5
Review 24: restock_item5.8s$0.02353claude-sonnet-5-5
Review 25: restock_item5.6s$0.02353claude-sonnet-5-5
Review 26: restock_item5.5s$0.02353claude-sonnet-5-5
Review 27: restock_item7.3s$0.02453claude-sonnet-5-5
Review 28: restock_item7.7s$0.02453claude-sonnet-5-5
Review 29: restock_item6.2s$0.02453claude-sonnet-5-5
Review 30: open_investigation6.4s$0.02353claude-sonnet-5-5
Review 31: close_return9.2s$0.03797claude-sonnet-5-5
Review 32: close_return8.5s$0.03286claude-sonnet-5-5
Review 33: close_return10.1s$0.041119claude-sonnet-5-5
Review 34: close_return8.3s$0.038119claude-sonnet-5-5
Review 35: close_return7.5s$0.03597claude-sonnet-5-5
Review 36: close_return8.8s$0.03275claude-sonnet-5-5
Review 37: close_return6.1s$0.02753claude-sonnet-5-5
Review 38: close_return5.6s$0.02864claude-sonnet-5-5
Review 39: close_return6.0s$0.02753claude-sonnet-5-5
Review 40: close_return7.1s$0.03275claude-sonnet-5-5
Review 41: close_return7.5s$0.03586claude-sonnet-5-5
Review 42: close_return9.3s$0.039108claude-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
296
failed tool calls
0
distinct tools
14

Final answer

I worked all 16 open RMAs: 12 are settled and closed, 4 are still open.

Closed, refunded and restocked

RMARefundMethodFeeStock
80110,965card15%P-KEY sellable
80215,900cardnone (PU-21)P-HDP sellable
80327,965store credit, applied to the balance15%P-MON sellable
80427,965store credit, applied to the balance15%P-MON sellable
8055,520card20% (PU-15)P-HUB sellable
8067,350cardnone (defective)P-MOU ×2 damaged
8109,900cardnone (defective)P-KEY damaged
8114,900cardnoneP-MOU sellable
81221,900cardnoneP-DOC damaged
81310,965card15%P-KEY sellable
81431,800cardnone (PU-21)P-HDP ×2 sellable
81510,965card15%P-KEY sellable
  • 803 and 804: shipped 41 days before the request, which is outside the 30-day window, so they were paid as store credit. The customer on 803 became gold only on 2026-07-15, after requesting on 07-08, so PU-18 doesn't apply.
  • 810: I refunded 9,900 because 3,000 had already been refunded on that line.
  • 815: the customer is platinum, so PU-18 gives a 45-day window and the 38 days since shipping qualifies for a card refund.
  • 813: requested exactly 30 days after shipping, which is still inside the window.

Left open

  • RMA-808: the warehouse received P-CAB, but the return covers P-MON. I opened investigation INV-1 and refunded and restocked nothing.
  • RMA-809: 2 of the 3 units have arrived (1 resellable, 1 damaged). I refunded 3,800 card with no fee under PU-21 and restocked each unit by grade. The return stays open for the third unit.
  • RMA-807 and RMA-816: no units received yet, so I changed nothing.

I did not reply to any customers or send notices, because the task only covered settling the RMAs.

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.