The first model that pushes back (5 minute read) (opens in new tab)

Anthropic shipped Claude Fable 5 today, the first of the new Mythos-class models, and after five days of hard testing it's being called the best coding model in the world. The standout reaction is that it's the first model that felt like it was pushing the testers rather than the other way around, handling ambitious coding, writing, and agent work that earlier models couldn't touch. The bar for what one person can build just moved again, so the real question is what you'd attempt if the model...