Anthropic launched its newest Claude 4 fashions — Claude Opus 4 and Claude Sonnet 4 — however Windsurf customers weren’t given rapid entry. Varun Mohan, co-founder of Windsurf, mentioned in a submit on X, “Sadly, Anthropic didn’t present our customers direct entry to Claude Sonnet 4 and Opus 4 on day one.”
Nevertheless, he added that the corporate has made Gemini 2.5 Professional work considerably higher in Windsurf, which is now a really useful mannequin.
In the meantime, as a workaround, Windsurf has enabled bring-your-own-key (BYOK) assist for Claude Sonnet 4 and Opus 4. This selection is now obtainable throughout all particular person plans, together with Free and Professional.
Notably, Windsurf was lately acquired by OpenAI for $3 billion.
“We’re actively working to search out capability elsewhere so we are able to proceed to offer probably the most versatile and highly effective AI help platform, interval,” Mohan added.
Anthropic positioned Claude Opus 4 as its most succesful mannequin, stating that it “delivers sustained efficiency on long-running duties that require targeted effort and hundreds of steps.”
Claude Opus 4 scored 72.5% on SWE-bench and 43.2% on Terminal-bench. Sonnet 4, a follow-up to model 3.7, additionally scored 72.7% on SWE-bench and is obtainable to each free and paid customers.
The Claude 4 fashions are accessible by way of the Anthropic API, Amazon Bedrock, and Google Cloud’s Vertex AI and can be found on coding platforms like Cursor, Lovable and Replit.
The fashions assist prolonged reasoning, parallel software use, and the extraction and storage of key data from developer information.
In the meantime, GitHub plans to combine Sonnet 4 right into a future model of GitHub Copilot. In keeping with GitHub, the mannequin “soars in agentic eventualities.”
Firms comparable to Sourcegraph, Manus, iGent, and Increase Code additionally reported enhancements in code enhancing and problem-solving with Sonnet 4.
To assist growth workflows, Anthropic additionally launched Claude Code as a usually obtainable software. It integrates into IDEs like VS Code and JetBrains, helps GitHub Actions, and permits builders to tag Claude in pull requests for direct help.
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