Anthropic Unleashes Claude Opus 4.1: The Ultimate AI Powerhouse Transforming Coding

Anthropic has unveiled Claude Opus 4.1, a significant enhancement to its leading coding AI model, with enhanced reasoning capabilities, superior practical coding skills, and stronger results on various benchmarks.

On Tuesday, August 5, the AI company backed by Google launched its most sophisticated software development model yet: Claude Opus 4.1. The startup states that this version builds on Claude Opus 4, enabling agentic behaviors, hands-on coding in real scenarios, and complex reasoning. Anthropic also announced intentions to introduce even more substantial model updates soon.

Claude Opus 4.1 is now accessible to subscribers via Claude Code. Additionally, it's available through the company's API, as well as on Amazon Bedrock and Google Cloud's Vertex AI, with pricing unchanged from the prior model. Beyond coding applications, it shines in thorough research, data processing, and tasks demanding agentic functionality and precision.

Performance of Claude Opus 4.1
In terms of benchmarks, the updated Opus 4.1 delivers clear advancements in coding, raising its SWE-bench verified score from 72.5% to 74.5%. It also shows gains in mathematics, agentic coding via terminals (TerminalBench), reasoning on GPQA, and visual reasoning (MMMU).