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openrouter.ai/docs/cookbook/evaluate-and-optimize/model-migrations

api-surface/openrouter.ai/docs/cookbook/evaluate-and-optimize/model-migrations

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First event in the archive

1 September 2026 22:42 UTC origin

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1 September 2026 22:42 UTC origin

1. The openrouter-llms-txt index added an entry titled "Claude Fable 5.1 Migration Guide" at "https://openrouter.ai/docs/cookbook/evaluate-and-optimize/model-migrations/fable-5-1.md".

   doc_added 1 September 2026 22:42 UTC origin · openrouter-llms-txt · 179b175 · raw artifact at this commit

   api-surfaceopenrouter.ai/docs/cookbook/evaluate-and-optimize/model-migrations