Anthropic unveils new Fable, Mythos models as competition heats up ahead of IPO

Anthropic on Monday unveiled two new AI models, Claude Fable 5.2 and Claude Mythos 5.2, as the OpenAI rival looks to strengthen its position in the fast-growing AI market ahead of its planned IPO.

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Claude Fable 5.2 targets coding, reasoning and AI agent tasks, while Claude Mythos 5.2 targets approved cybersecurity and life-sciences research applications