Anthropic launches new Claude Fable and Mythos 5.2 models

Anthropic has released two new AI models, Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle complex technical challenges. The new models show improvements in coding, reasoning, and vision, generating outputs faster than their predecessors. Claude Fable 5.2 excels at software engineering, agent team orchestration, and tackling long-running projects, while also solving complex scientific problems, including two open theoretical physics problems. In testing, the models have achieved significant breakthroughs in software migrations, robotics, and formalized a proof in 30 hours.