Anthropic

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 t

AI models like Claude talk in words but think in numbers. These numbers, called activations, encode Claude’s thoughts, but not in a language we can read. We are introducing Natural Language Autoencode

Official demonstration from Anthropic showing Claude Sonnet 4.5's capabilities - the best model for coding and using computers. Watch Claude clone Claude.ai from scratch.