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Anthropic Unveils New Fable, Mythos AI Models Ahead of IPO

Bloomberg Technology Monday 09 November 2026, 19:00 UTC By Rachel Metz 1 min read
Key Points

Anthropic Unveils New Fable, Mythos AI Models Ahead of IPO Anthropic PBC has unveiled new versions of its powerful Mythos and Fable artificial intelligence models, an effort to bolster the company’s position as a leader in AI development on the eve of its long-awaited Wall Street debut. Anthropic said Fable 5.2, set to be released Monday, can tackle more difficult software engineering work, take on more hardware-related tasks like controlling robots and handle long-running projects. It’s...

Anthropic Unveils New Fable, Mythos AI Models Ahead of IPO Anthropic PBC has unveiled new versions of its powerful Mythos and Fable artificial intelligence models, an effort to bolster the company’s position as a leader in AI development on the eve of its long-awaited Wall Street debut. Anthropic said Fable 5.2, set to be released Monday, can tackle more difficult software engineering work, take on more hardware-related tasks like controlling robots and handle long-running projects. It’s also designed to coordinate over 1,000 AI agents at a time. Mythos 5.2, the same model but with fewer safeguards for cybersecurity and life sciences work, is being rolled out to select organizations through a previously announced verification program. The two models are faster than prior versions, Anthropic said, and Fable is less expensive.
PBC (ORG) Fable 5.2 (PERSON) AI (ORG) Anthropic (PERSON)
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