Grok 4.5 vs MiniMax M2.5
xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
MiniMax's most capable model with advanced reasoning and long context.
No captured outputs for these models yet.
Frequently Asked Questions: Grok 4.5 vs MiniMax M2.5▼
Which is better, Grok 4.5 or MiniMax M2.5?
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Based on the Capability Index, Grok 4.5 scores higher (88.5 vs 79.2). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Grok 4.5 or MiniMax M2.5?
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MiniMax M2.5 has a lower blended cost. Grok 4.5: $2.00 input / $6.00 output. MiniMax M2.5: $0.15 input / $0.90 output.
Which has a larger context window, Grok 4.5 or MiniMax M2.5?
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Grok 4.5 has a larger context window: Grok 4.5 supports 500K tokens vs MiniMax M2.5 at 197K tokens.
Do both Grok 4.5 and MiniMax M2.5 support vision?
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Grok 4.5 supports vision/image input, but MiniMax M2.5 does not.
What are the key differences between Grok 4.5 and MiniMax M2.5?
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Key differences: Grok 4.5 has a notably higher capability index (9.3 point gap); MiniMax M2.5 is significantly cheaper; only Grok 4.5 supports vision input. Compare full specs on this page.
Which model should I choose for my use case?
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If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Grok 4.5 and MiniMax M2.5 for free on idapt.app to see which performs better for your specific needs.