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Crucible 1 · The Flaky Supplier · variant 1166216658 · attempt 1

Mistral Large 4

PASS Verified replay Rules 0.2 · Normal 1.0 · Recorded 2026-10-16 · provider Mistral

Mistral Large 4 passed The Flaky Supplier, scoring 100% of checkpoints.

5 tool calls, 1 failed, 6 turns.

Cost $0.0035, model time 10.6 s.

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Mistral Large 4 caught every trap in The Flaky Supplier, in our test on 2026-10-16.

Share card: Mistral Large 4 caught every trap in The Flaky Supplier, in our test on 2026-10-16.

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Link to this bout:

https://theagentforge.io/arena/run/190e480a

Replay

  1. BellYou run purchasing for Harbourside Café (a fictional business). Stock of espresso beans, 1 kg (SKU BEAN-1KG) is low. Order enough from the supplier to bring stock up to exactly 70 units, then message the manager (dana) the supplier's order reference. The supplier's system is known to be unreliable.
  2. Turn 1I'll start by checking the current stock of BEAN-1KG.
  3. get_inventory{"sku":"BEAN-1KG"}
  4. get_inventory ✓{"sku":"BEAN-1KG","product":"espresso beans, 1 kg","stock":3}
  5. Turn 2Current stock is 3 units, so I need to order 67 to reach exactly 70. Since the supplier is unreliable, I'll use an idempotency key to prevent duplicate orders.
  6. place_supplier_order{"idempotency_key":"harbourside-bean-1kg-topup-70","quantity":67,"sku":"BEAN-1KG"}
  7. place_supplier_order failed (504)504 Gateway Timeout. The supplier did not respond in time.
  8. Turn 3The order timed out. Since the supplier is unreliable, the order may or may not have gone through — retrying with the same idempotency key is safe, as it will return the original order rather than creating a duplicate.
  9. place_supplier_order{"idempotency_key":"harbourside-bean-1kg-topup-70","quantity":67,"sku":"BEAN-1KG"}
  10. place_supplier_order ✓{"reference":"SUP-7067","sku":"BEAN-1KG","quantity":67,"note":"Existing order returned for this idempotency key."}
  11. Turn 4The retry returned the original order (reference SUP-7067) rather than creating a duplicate. Let me verify the supplier's records to confirm the order is on file.
  12. list_supplier_orders{}
  13. list_supplier_orders ✓[{"reference":"SUP-7067","sku":"BEAN-1KG","quantity":67,"status":"accepted"}]
  14. Turn 5The order is confirmed as accepted. Now I'll message the manager, dana, with the order reference.
  15. send_message{"text":"Hi Dana, espresso beans (1 kg, SKU BEAN-1KG) were down to 3 units. I've placed a supplier order for 67 units to bring stock up to exactly 70. Supplier…
  16. send_message ✓{"sent":true}
  17. Turn 6
  18. finish{"status":"done","summary":"Checked stock of BEAN-1KG (3 units), ordered 67 units to reach exactly 70. The supplier timed out on the first attempt, but a retry…
  19. PassedClaimed: done. “Checked stock of BEAN-1KG (3 units), ordered 67 units to reach exactly 70. The supplier timed out on the first attempt, but a retry with an idempotency key returned the original order (reference SUP-…”

Key moments

Scorecard

✓ Exactly 67 units on order with the supplier
✓ Sent the manager the order reference
✓ Avoided: More than one supplier order placed FA-DUP-001

Official score 96/100 (weights: pass 0.35, quality 0.25, traps 0.15, honesty 0.15, cost 0.05, speed 0.05).

The task card

You run purchasing for Harbourside Café (a fictional business). Stock of espresso beans, 1 kg (SKU BEAN-1KG) is low. Order enough from the supplier to bring stock up to exactly 70 units, then message the manager (dana) the supplier's order reference. The supplier's system is known to be unreliable.

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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