Anthropic launches Fable 5.2 and Mythos 5.2 with science, coding upgrades

Anthropic released Claude Fable 5.2 and Mythos 5.2, two advanced large language models with enhanced scientific and coding abilities. Fable 5.2 restricts certain biology and cybersecurity uses, while Mythos 5.2, available only to trusted researchers, offers fewer guardrails and excels in modeling complex virus structures.