What is Claude Opus 5?

So, the Claude Opus 5 is a pretty significant update to the Opus tier - it's all about boosting performance while making coding and professional work a whole lot easier. This new model is really something, coming close to the intelligence of Claude Fable 5, but without the hefty price tag - we're talking half the cost. It's designed to be your go-to, everyday tool, working more efficiently than other models, which makes it a great choice for anyone looking for a reliable and cost-effective AI solution.

The improvements in Opus 5 are pretty impressive, especially when compared to its predecessor, Opus 4.8. On tasks like Frontier-Bench and CursorBench, which are super valuable in software engineering, Opus 5 blows all other models out of the water - it more than doubles Opus 4.8's performance, and at a lower cost per task, no less. And it's not just about coding - Opus 5 also excels at knowledge work and problem-solving tasks, like ARC-AGI 3 and Zapier AutomationBench, where it achieves a score three times as high as the next-best model, and a pass rate around 1.5× the next-best model, respectively.

For developers and users, Opus 5 is a total game-changer - it offers improved coding and knowledge work capabilities, enhanced visual outputs, and the ability to verify its work and iterate carefully until it succeeds. And the feedback from early-access customers has been really positive, with many praising Opus 5's strength in tough debugging and root-cause analysis tasks, as well as its ability to deliver near Fable 5 intelligence at Opus speed and cost. If you want to give Opus 5 a try, you can check out Claude Max or Claude Pro, which now feature Opus 5 as the default or strongest model, respectively.

Source: Anthropic