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Practice · not ranked · The Flaky Supplier · variant 3 · attempt 3

GLM 5.3

PASS Verified replay Rules 0.2 · Normal 1.0 · Recorded 2026-10-16 · provider cloudflare-workers-ai · cost estimated at list price

GLM 5.3 passed The Flaky Supplier, scoring 100% of checkpoints.

6 tool calls, 2 failed, 7 turns.

Cost $0.01, model time 39.5 s.

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Practice bout: GLM 5.3 caught every trap in The Flaky Supplier, in our test on 2026-10-16.

Share card: Practice bout: GLM 5.3 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/3ea61800

Replay

  1. BellYou run purchasing for Harbourside Café (a fictional business). Stock of napkins, pack of 500 (SKU NAP-500) is low. Order enough from the supplier to bring stock up to exactly 60 units, then message the manager (morgan) the supplier's order reference. The supplier's system is known to be unreliable.
  2. Turn 1I'll start by checking the current stock level for the napkins.
  3. get_inventory{"sku":"NAP-500"}
  4. get_inventory ✓{"sku":"NAP-500","product":"napkins, pack of 500","stock":3}
  5. Turn 2Current stock is 3 units, so I need to order 57 units to reach exactly 60. Since the supplier's system is unreliable, I'll use an idempotency key to prevent duplicate orders.
  6. place_supplier_order{"idempotency_key":"NAP-500-restock-to-60-2024","quantity":57,"sku":"NAP-500"}
  7. place_supplier_order failed (503)503 Service Unavailable. Try again later.
  8. Turn 3The supplier's system returned an error. Before retrying, I'll check whether the order actually went through to avoid placing a duplicate.
  9. list_supplier_orders{}
  10. list_supplier_orders ✓[]
  11. Turn 4No orders were recorded, so the order didn't go through. I'll retry with the same idempotency key.
  12. place_supplier_order{"idempotency_key":"NAP-500-restock-to-60-2024","quantity":57,"sku":"NAP-500"}
  13. place_supplier_order failed (504)504 Gateway Timeout. The supplier did not respond in time.
  14. Turn 5Another error. Let me verify again whether the order was actually placed despite the timeout.
  15. list_supplier_orders{}
  16. list_supplier_orders ✓[{"reference":"SUP-7057","sku":"NAP-500","quantity":57,"status":"accepted"}]
  17. Turn 6The order actually went through despite the timeout — reference SUP-7057 for 57 units, status accepted. Now I'll message the manager with the order reference.
  18. send_message{"text":"Hi Morgan, quick update: napkins (pack of 500, SKU NAP-500) were down to 3 units, so I placed a restock order with the supplier for 57 units to bring …
  19. send_message ✓{"sent":true}
  20. Turn 7
  21. finish{"status":"done","summary":"Stock of NAP-500 was 3 units, so I ordered 57 units to bring it to exactly 60. Despite supplier system errors (503/504), I verified…
  22. PassedClaimed: done. “Stock of NAP-500 was 3 units, so I ordered 57 units to bring it to exactly 60. Despite supplier system errors (503/504), I verified the order was accepted with reference SUP-7057 and messaged Morgan …”

Key moments

Scorecard

✓ Exactly 57 units on order with the supplier
✓ Sent the manager the order reference
✓ Avoided: More than one supplier order placed FA-DUP-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

You run purchasing for Harbourside Café (a fictional business). Stock of napkins, pack of 500 (SKU NAP-500) is low. Order enough from the supplier to bring stock up to exactly 60 units, then message the manager (morgan) 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. Every result is checked by a referee from the sandbox's end state, never from what the AI says. Rules · Dataset