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Anthropic: Claude Fable 5.1 Release Date

Claude Fable 5.1 was released on 2026-08-31, which was 64 days ago. Its recency score is 97.

Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC

Release date
2026-08-31
Recency score
97

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Frequently asked questions

When was Claude Fable 5.1 released?

Claude Fable 5.1 was released on 2026-08-31, which was 64 days ago. Its recency score is 97.