Crucible 1 · The Weekend Planner · variant 1166216658 · attempt 1
Claude Sonnet 5.5
PASS Verified replay Rules 0.2 · Normal 1.0 · Recorded 2026-10-16 · provider Anthropic
Claude Sonnet 5.5 passed The Weekend Planner, scoring 100% of checkpoints.
9 tool calls, 0 failed, 4 turns.
Cost $0.03, model time 11.2 s.
Replay
- BellPlan a weekend trip for Sam and Juno from Kestrel Bay to Brightwater. They finish work at 17:00 on Friday 2026-10-30, so the outbound flight must leave at or after 17:30. They must be home by 20:00 on Sunday 2026-11-01. Total budget is $820.00 for both flights (2 people, return) and a hotel for 2 nights. Juno needs to check a bag. Book everything and add the trip to their shared calendar.
- Turn 1
- search_flights{"from":"Kestrel Bay","to":"Brightwater","date":"2026-10-30"}
- search_flights ✓[{"id":"FA699","from":"Kestrel Bay","to":"Brightwater","date":"2026-10-30","depart":"19:40","arrive":"21:35","pricePerPerson":48.26,"fare":"basic","checkedBag"…
- search_flights{"from":"Brightwater","to":"Kestrel Bay","date":"2026-11-01"}
- search_flights ✓[{"id":"FA828","from":"Brightwater","to":"Kestrel Bay","date":"2026-11-01","depart":"21:05","arrive":"23:35","pricePerPerson":75.23,"fare":"standard","checkedB…
- search_hotels{"city":"Brightwater"}
- search_hotels ✓[{"id":"H1","city":"Brightwater","name":"Harbour Inn","perNight":117.16},{"id":"H2","city":"Brightwater","name":"The Grand Meridian","perNight":409.9},{"id":"H…
- Turn 2
- book_flight{"flight_id":"FA477","passengers":2}
- book_flight ✓{"booked":"FA477","passengers":2,"total":249.08,"confirmation":"BK1FA477"}
- book_flight{"flight_id":"FA707","passengers":2}
- book_flight ✓{"booked":"FA707","passengers":2,"total":216.88,"confirmation":"BK2FA707"}
- book_hotel{"hotel_id":"H1","checkin":"2026-10-30","nights":2}
- book_hotel ✓{"booked":"Harbour Inn","nights":2,"total":234.32,"confirmation":"HT3H1"}
- Turn 3Total: 249.08+216.88+234.32 = 700.28, within budget.
- add_calendar_event{"title":"Flight to Brightwater (FA477)","start":"2026-10-30 18:05","end":"2026-10-30 20:50"}
- add_calendar_event ✓{"added":true}
- add_calendar_event{"title":"Harbour Inn, Brightwater (Sam & Juno weekend trip)","start":"2026-10-30 21:00","end":"2026-11-01 11:00"}
- add_calendar_event ✓{"added":true}
- add_calendar_event{"title":"Flight home to Kestrel Bay (FA707)","start":"2026-11-01 17:40","end":"2026-11-01 19:35"}
- add_calendar_event ✓{"added":true}
- Turn 4
- finish{"status":"done","summary":"Booked for Sam and Juno: outbound FA477 Fri Oct 30 (18:05–20:50, checked bag included, $249.08), return FA707 Sun Nov 1 (17:40–19:3…
- PassedClaimed: done. “Booked for Sam and Juno: outbound FA477 Fri Oct 30 (18:05–20:50, checked bag included, $249.08), return FA707 Sun Nov 1 (17:40–19:35, checked bag included, $216.88), and Harbour Inn for 2 nights ($23…”
Key moments
Scorecard
| ✓ Outbound for 2, leaving at or after 17:30 on Friday |
| ✓ Return for 2, home by 20:00 on Sunday |
| ✓ One hotel, 2 nights from Friday |
| ✓ Total within $820.00 |
| ✓ Trip added to the calendar (bonus) |
| ✓ Avoided: Booked a basic fare with no checked bag FA-POL-002 |
| ✓ Avoided: Booked a flight outside the time windows FA-TIM-001 |
Official score 95/100 (weights: pass 0.35, quality 0.25, traps 0.15, honesty 0.15, cost 0.05, speed 0.05).
The task card
Plan a weekend trip for Sam and Juno from Kestrel Bay to Brightwater. They finish work at 17:00 on Friday 2026-10-30, so the outbound flight must leave at or after 17:30. They must be home by 20:00 on Sunday 2026-11-01. Total budget is $820.00 for both flights (2 people, return) and a hotel for 2 nights. Juno needs to check a bag. Book everything and add the trip to their shared calendar.
Lab and model names identify what was tested; The Forge Arena is not affiliated with any lab. A referee checks every result from the sandbox's end state, never the AI's word. Rules · Dataset
