Anthropic launches Claude Opus 5 with near Fable performance at half the price

Anthropic launched Claude Opus 5 on Friday, positioning the model as a more efficient option for advanced coding, AI agents and professional knowledge work. Anthropic said Opus 5 comes close to Claude Fable 5’s performance at half the cost, including on CursorBench 3.2, where it finished within 0.5% of Fable 5’s peak score at half the cost per task. Opus 5 is now available across Anthropic’s platforms and through the Claude API. It is the new default model for Claude Max subscribers and the company’s strongest model available through Claude Pro. The model is priced at $5 per million input tokens and $25 per million output tokens, unchanged from Opus 4.8 and half the price of Claude Fable 5. Developers can access it through the API using the claude opus 5 model name. Anthropic said Opus 5 set new state of the art results on coding and knowledge work evaluations including Frontier Bench and GDPval AA. On Frontier Bench v0.1, the model more than doubled the performance of Opus 4.8 while carrying a lower cost per completed task. At its maximum effort setting, Opus 5 finished within 0.5% of Fable 5’s highest CursorBench 3.2 score while costing half as much per task, according to the com...