Claude Opus 4.1 at a glance
Claude Opus 4.1 upgraded Opus 4 on agentic tasks, real-world coding and research at the same price, and Anthropic recommended it as a drop-in replacement.
What changed with Claude Opus 4.1
On August 5, 2025, Anthropic released Claude Opus 4.1, an incremental upgrade to Opus 4 focused on agentic tasks, real-world coding and reasoning. Anthropic reported 74.5% on SWE-bench Verified and better detail tracking in in-depth research and data analysis.
It became available to paid Claude users, in Claude Code, on the Anthropic API, Amazon Bedrock and Google Cloud Vertex AI at the same price as Opus 4. Anthropic recommended that all Opus 4 users upgrade and signaled that substantially larger model improvements would follow in the coming weeks.
Where to compare Claude Opus 4.1
Independent leaderboards and official resources for comparing this model yourself. Rankings change often; each site shows its own current data.
General leaderboards
Official resources
Why Claude Opus 4.1 matters for businesses
For businesses already using Opus 4, this was a low-risk upgrade: same price and interface, with better multi-file refactoring and precise code fixes reported by early customers.
Sources for this story
- Claude Opus 4.1 (opens in a new tab)Official
Anthropic · anthropic.com
- Claude 4.1 Opus model page (opens in a new tab)Benchmark
Artificial Analysis · artificialanalysis.ai
Last verified: . IA Compa summarizes public announcements for business readers. We are not affiliated with the companies mentioned. Always confirm details, pricing, and availability with the official source.
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