Introducing Claude Fable 5

Claude Fable 5 is our most capable model yet, now generally available. It’s a Mythos-class model with safeguards that let us share it broadly without compromising on safety. It can stay with complex tasks and hard problems for days, handling ambitious work across coding, research, analysis, finance, law, and beyond. Learn more: https://www.anthropic.com/news/claude-fable-5-mythos-5