Claude Opus 4.1 Improves Coding & Agent Capabilities

Anthropic has released Claude Opus 4.1, an upgrade to its flagship model that’s said to deliver better performance in coding, reasoning, and autonomous task handling.

The new model is available now to Claude Pro users, Claude Code subscribers, and developers using the API, Amazon Bedrock, or Google Cloud’s Vertex AI.

Performance Gains

Claude Opus 4.1 scores 74.5% on SWE-bench Verified, a benchmark for real-world coding problems, and is positioned as a drop-in replacement for Opus 4.

The model shows notable improvements in multi-file code…