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 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 ...

Patrick, CTO and co-founder of an AI-native startup (launched ~2 years ago, working with brands like Coca-Cola, Disney, ...

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 ...

Claude 4 Opus and Sonnet represent a significant advancement in AI-driven software engineering. Opus is ideal for high-end, long-duration tasks, offering unmatched performance and advanced ...

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 ...