claudeopus5/
Claude-Opus-5-Free-Desktop
Claude Opus 5 free desktop Anthropic's flagship reasoning model on Windows, macOS and Linux. Strongest in the Claude family, sits above Sonnet 5 and Fable 5. Opus 5 benchmark leads on multi-step tasks vs GPT 5 Codex. Price comparison vs Sonnet and Fable included in-app. No subscription, no API key. Download and start today.