GPT-4o (Omni) vs MiMo-V2-Pro

Compare GPT-4o (Omni) by OpenAI against MiMo-V2-Pro by Xiaomi, context windows of 128K vs 1.0M, tested across 33 shared challenges. Updated March 2026.

Which is better, GPT-4o (Omni) or MiMo-V2-Pro?

GPT-4o (Omni) and MiMo-V2-Pro are both competitive models. GPT-4o (Omni) costs $2.5/M input tokens vs $1/M for MiMo-V2-Pro. Context windows: 128K vs 1049K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-4o (Omni) and MiMo-V2-Pro

GPT-4o (Omni) is made by openai while MiMo-V2-Pro is from xiaomi. GPT-4o (Omni) has a 128K token context window compared to MiMo-V2-Pro's 1049K. On pricing, GPT-4o (Omni) costs $2.5/M input tokens vs $1/M for MiMo-V2-Pro.

Our Verdict
GPT-4o (Omni)
GPT-4o (Omni)
MiMo-V2-Pro
MiMo-V2-Pro

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

MiMo-V2-Pro is 3.3x cheaper per token — worth considering if cost matters.

Too close to call
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