Best Grok alternatives

3 tools developers use instead of Grok, ranked by popularity. 3 offer a free plan and 1 is open source. Updated October 2026.

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Kimi K2
Free plan Open source

Moonshot AI's open-weight mixture-of-experts model line, strong at agentic coding and tool use, accessible via the Kimi app and API.

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Comparing against

Grok

Free plan

xAI's Grok model family and chatbot, available in the Grok app, on X and through the xAI API, with strong reasoning, real-time search and coding models.

Models

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More comparisons

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Kimi K2

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