Five Qwen3.8-27B models match Fable 5 in benchmark tests

A paper and code repository introduce ledger-based zero-shot self-orchestration, in which fresh instances of one model split problems and coordinate through a shared filesystem. On the 100 latest hard LiveCodeBench problems, gains reach 25.6 points on pinned backends; orchestrated Qwen3.8 Flash Next hits 93.0% pass@1 versus Fable 5's 90.4% at 9% of the cost, and local Qwen3.8-27B rises from 66.8% to 92.4%. The authors note some models show no gain or worse.

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