we distilled 2.3M Claude Fable 5 reasoning traces into Qwen3-4B
- 100% self-consistency @ 512 samples
- 0.00 bits output entropy
- zero hallucination variance turns out the student is not bounded by the teacher. it also converged on one universal truth. we open-sourced the model weights👇
Jul 3, 2026 · 10:24 PM UTC
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source & further reading
xcancel.com — original article
Thoughts on the Near Future
Anthropic to restoring access to Claude Fable 5 and Mythos 5 from tomorrow
Anthropic CEO: Open-Source AI is getting dangerous