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Grok 3 vs MiniMax M2.5

Compare Grok 3 by xAI against MiniMax M2.5 by MiniMax, context windows of 128K vs 205K, tested across 27 shared challenges. Updated February 2026.

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FAQ

What is the difference between Grok 3 and MiniMax M2.5?

Grok 3 is developed by xAI while MiniMax M2.5 is developed by MiniMax. Grok 3 has a 128K token context window vs MiniMax M2.5's 205K. You can compare their actual outputs across 27 challenges on RIVAL to see how they differ in practice.

Which is better, Grok 3 or MiniMax M2.5?

It depends on your use case. Grok 3 and MiniMax M2.5 each have strengths in different areas. RIVAL lets you compare their real outputs side-by-side across 27 challenges so you can judge which fits your needs best.

How can I compare Grok 3 and MiniMax M2.5 on RIVAL?

This page shows a side-by-side comparison of Grok 3 and MiniMax M2.5 across shared challenges. You can vote on which model produced the better output, and Pro users can create custom challenges to test both models with their own prompts.