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


FILE PHOTO: An Anthropic logo is displayed at Moscone Center during the Dreamforce 2026 technology summit in San Francisco, California, US, September 17, 2026. REUTERS/Carlos Barria/File Photo

Nov 9 (Reuters) - Anthropic ⁠on Monday unveiled two new AI models, Claude ⁠Fable 5.2 and ClaudeMythos 5.2, as the ‌OpenAI rival looks to strengthen its position in the fast-growing AI market ahead of its planned IPO.

Here are more details:

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

• ‌Anthropic said access to Claude Mythos 5.2 is restricted to organizations approved through its ⁠verification programs for cybersecurity and life-sciences research, while ​Claude Fable ‌5.2 is available more broadly

• Anthropic said the ⁠new models ​generate outputs up to 30% faster than their Claude 5.1 predecessors and communicate more clearly with users

• The ⁠company said the models are priced ​at $8 per million input tokens and $40 per million output tokens, lower than the pricing for previous Fable and ⁠Mythos releases

• The launch follows Anthropic's rollout of Claude Haiku 5.5 in October as the AI startup broadens its product lineup ahead of a planned IPO

• ​Competition in the AI industry has ⁠also intensified as OpenAI, Alphabet's Google and Meta Platformsrapidly ​release new models focused on ‌coding, reasoning and AI agents ​to attract developers and enterprise customers

(Reporting by Prathik Jayaprakash in Bengaluru; Editing by Leroy Leo)

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