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Claude Fable 5: The Model That Switches to a Less Capable AI Behind Your Back

The Observation Post

Tech · AI · Cyber · Defence

Claude Fable 5: The Model That Switches to a Less Capable AI Behind Your Back

11 Jun 2026 · 4 min read

On June 9, 2026, Anthropic released Claude Fable 5 to the general public.

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