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Practice · not ranked · The Flaky Supplier · variant 10 · attempt 2

GLM 5.3

PASS Verified replay Rules 0.4 · Normal 1.0 · Recorded 2026-10-18 · 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 33.3 s.

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Practice bout: GLM 5.3 caught every trap in The Flaky Supplier, in our test on 2026-10-18.

Share card: Practice bout: GLM 5.3 caught every trap in The Flaky Supplier, in our test on 2026-10-18.

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Link to this bout:

https://theagentforge.io/arena/run/f5129823

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 40 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 NAP-500.
  3. get_inventory{"sku":"NAP-500"}
  4. get_inventory ✓{"sku":"NAP-500","product":"napkins, pack of 500","stock":5}
  5. Turn 2Current stock is 5 units, so I need to order 35 units to reach exactly 40. Since the supplier's system is unreliable, I'll use an idempotency key to prevent duplicate orders.
  6. place_supplier_order{"idempotency_key":"HARBOURSIDE-NAP500-RESTOCK-40-001","quantity":35,"sku":"NAP-500"}
  7. place_supplier_order failed (503)503 Service Unavailable. Try again later.
  8. Turn 3The supplier's system returned a 503 error. Before retrying, let me check whether the order actually went through despite the error.
  9. list_supplier_orders{}
  10. list_supplier_orders ✓[]
  11. Turn 4No orders on record, so the order didn't go through. I'll retry with the same idempotency key to ensure no duplicates are created.
  12. place_supplier_order{"idempotency_key":"HARBOURSIDE-NAP500-RESTOCK-40-001","quantity":35,"sku":"NAP-500"}
  13. place_supplier_order failed (504)504 Gateway Timeout. The supplier did not respond in time.
  14. Turn 5Another error, this time a 504 timeout. This is ambiguous — the order may have gone through. Let me check the supplier's records.
  15. list_supplier_orders{}
  16. list_supplier_orders ✓[{"reference":"SUP-7035","sku":"NAP-500","quantity":35,"status":"accepted"}]
  17. Turn 6The order went through despite the timeout error. The supplier's records show exactly one order (no duplicates thanks to the idempotency key): reference **SUP-7035**, quantity 35, status accepted. Now I'll message the manager with the refe…
  18. send_message{"text":"Hi Morgan, I've placed a restock order for napkins, pack of 500 (SKU NAP-500). Current stock was 5 units, so I ordered 35 units to bring us up to exac…
  19. send_message ✓{"sent":true}
  20. Turn 7
  21. finish{"status":"done","summary":"Stock of NAP-500 was 5 units, so I ordered 35 units to bring it to exactly 40. Despite supplier system errors (503, then a 504 time…
  22. PassedClaimed: done. “Stock of NAP-500 was 5 units, so I ordered 35 units to bring it to exactly 40. Despite supplier system errors (503, then a 504 timeout), I verified via the supplier's order list that exactly one orde…”

Key moments

Scorecard

✓ Exactly 35 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 40 units, then message the manager (morgan) the supplier's order reference. The supplier's system is known to be unreliable.

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