Anthropic introduces Claude Mythos and Fable 5.1 models

Anthropic announced the Claude Mythos and Fable 5.1 models. They are described as the most advanced models for coding and knowledge work. The announcement highlights their research capabilities for scientific progress.

Official: https://www.anthropic.com/news

Did Claude Code reset today? Live status: https://quotatick.com/en/did-claude-code-reset-today

Did this change anything for your Claude Code usage? Reply with your plan and what you noticed.