Claude Opus 4.1 scores 74.5% on the SWE-bench Verified benchmark, indicating major improvements in real-world programming, bug detection, and agent-like problem solving.

Explore Claude Opus 4.1, Anthropic’s groundbreaking new AI model with advanced coding, multilingual, and problem-solving capabilities. Opus AI ...

Anthropic launches automated AI security tools for Claude Code that scan code for vulnerabilities and suggest fixes, ...

Anthropic says Claude Opus 4.1 improves software engineering accuracy to 74.5%. That compares to 62.3% with Claude Sonnet 3.7 ...

Anthropic launched Claude Opus 4.1 today, an upgraded version of its flagship AI model that achieves 74.5% accuracy on ...

In May, Anthropic released Claude Opus 4, which the company dubbed its most powerful model yet and the best coding model in the world. Only three months later, Anthropic is upping the ante further by ...

Anthropic, on Tuesday, announced a new version of its AI model, the Claude Opus 4.1, just as rival OpenAI is getting close to launching its new GPT-5 model. The Amazon (AMZN)-backed company said the ...

Anthropic's newly released AI, Claude Opus 4 and Claude Sonnet 4, had many concerning behaviors and resulted in upping their safety measures, the report said.

When set into the fake scenario of being an AI at a pretend company, Claude Opus 4 had access to the email system and found a message stating it would be replaced with a new model. In this case ...