Anthropic unveils Claude Fable 5.2 and Mythos 5.2 models for complex technical tasks

Anthropic has launched two new AI models, Claude Fable 5.2 and Claude Mythos 5.2, aimed at demanding technical work. The company says both show gains in coding, reasoning, and vision, and generate outputs faster than the earlier 5.1 versions. Fable 5.2 is described as strong at difficult software engineering problems, with the ability to coordinate teams of agents on long-running projects. The model has also reportedly helped solve two open problems in theoretical physics. The article is cut off before detailing the findings from prerelease testing.
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