AnthropicLaunchAI ModelsNovember 9, 2026

Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2

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Fable 5.2 is up to 30% faster than Fable 5.1 and priced at $8/$40 per 1M tokens, down from $10/$50, with 1M context and $0.20/Mtok cache reads. Mythos 5.2 targets cybersecurity and life sciences research via verification programs; on Cognition's internal cyber benchmark it scored 73.5 vs 56.9 for Mythos 5.1 and 32.7 for Opus 5.5.

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