Coinbase: 9B open model beats Opus 4.5 on fraud

Name: Coinbase: a 9B open model beats Opus 4.5 on fraud detection
Uploaded: 2026-10-13T00:00:00+05:30
Description: Post-trained Qwen3.5-9B with SkyRL beat Opus 4.5 on Onramp fraud (+7.5pp precision, +12 recall, +9.6 F1, +35.4 dollar-weighted recall) with 55% lower P50 latency and under $100 training cost.

Why it matters

Post-trained Qwen3.5-9B with SkyRL beat Opus 4.5 on Onramp fraud (+7.5pp precision, +12 recall, +9.6 F1, +35.4 dollar-weighted recall) with 55% lower P50 latency and under $100 training cost.

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