Anthropic launches Claude Opus 5, which it says comes close to Fable 5 performance at half the price; it is the new default model on Claude Max (Anthropic)

Anthropic has launched Claude Opus 5, a new model that is now the default on Claude Max. The company claims Claude Opus 5 offers performance comparable to Claude Fable 5, but at half the price. This new model is described as thoughtful and proactive, aiming to provide frontier intelligence more affordably.