What is Claude Opus 5?
Claude Opus 5 is a new AI model that offers significant improvements over its predecessor, providing better performance at the same cost. It excels in coding and knowledge work evaluations, and is designed to be used daily, working more efficiently than other models. Opus 5 is available today and is the new default model on Claude Max and the strongest model on Claude Pro.
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
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