AIAnthropic Launches Claude Fable 5.2 and Mythos 5.2 as AI Self-Improvement Debate Grows
Anthropic released Claude Fable 5.2 and Mythos 5.2 on 9 November 2026, faster and 20% cheaper than the 5.1 generation, as a METR report raised questions about AI models speeding up their own development.
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