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Anthropic's powerful Opus 4.1 model is here - how to access it (and why you'll want to)


The new model boasts souped-up coding and agentic capabilities.

Claude Opus 4's performance on the SWE-bench Verified supported the claim that it was the "best coding model in the world." AnthropicWith the release, Anthropic also posted its system card, which delineates all of the safety assessments and evaluations it conducted on the model, as well as its weaknesses, risks, and limitations. A quick overview of the 22-page document shows that the model was deployed with an AI Safety Level 3 (ASL-3) Standard under Anthropic's Responsible Scaling Policy (RSP), and it is still prone to most of the same vulnerabilities.

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Opus 4.1

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