Codeaholicguy • 10/4/2025

Testing Claude Sonnet 4.5, GPT-5 Codex, and Grok Code Fast 1 in Cursor: Which model fits best for development?

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This article details a hands-on comparison of three AI coding models: Claude Sonnet 4.5, GPT-5 Codex, and Grok Code Fast 1, tested within the Cursor editor. The author evaluates them on real-world tasks like generating a complete React image gallery app and creating test suites, assessing code quality, speed, and output structure.

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#React #tailwind css #vite
Testing Claude Sonnet 4.5, GPT-5 Codex, and Grok Code Fast 1 in Cursor: Which model fits best for development?

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