xAI: Grok 4 vs MiMo-V2-Omni

Compare xAI: Grok 4 by xAI against MiMo-V2-Omni by Xiaomi, context windows of 256K vs 262K, tested across 38 shared challenges. Updated March 2026.

Which is better, xAI: Grok 4 or MiMo-V2-Omni?

xAI: Grok 4 and MiMo-V2-Omni are both competitive models. xAI: Grok 4 costs $3/M input tokens vs $0.4/M for MiMo-V2-Omni. Context windows: 256K vs 262K tokens. Compare their real outputs side by side below.

Key Differences Between xAI: Grok 4 and MiMo-V2-Omni

xAI: Grok 4 is made by xai while MiMo-V2-Omni is from xiaomi. xAI: Grok 4 has a 256K token context window compared to MiMo-V2-Omni's 262K. On pricing, xAI: Grok 4 costs $3/M input tokens vs $0.4/M for MiMo-V2-Omni.

Our Verdict
xAI: Grok 4
xAI: Grok 4
MiMo-V2-Omni
MiMo-V2-Omni

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

MiMo-V2-Omni is 7.5x cheaper per token — worth considering if cost matters.

Too close to call
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