<ul><li>Anthropic released their latest Claude 4 models - Claude Opus 4 and Claude Sonnet 4, but Windsurf users did not get immediate access.</li><li>Windsurf enabled bring-your-own-key support for Claude Sonnet 4 and Opus 4 as a workaround for the access issue.</li><li>Windsurf has made Gemini 2.5 Pro to work better and has become the recommended model, following the acquisition of Windsurf by OpenAI for $3 billion.</li><li>Anthropic positioned Claude Opus 4 as their most capable model while Sonnet 4 scored well in benchmarks. Both models are available on various platforms and support extended reasoning and tools.</li></ul>

OpenAI Rival Anthropic Blocks Windsurf from Using Claude 4 Models

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