GPT-5 Codex vs MiMo-V2-Omni

Compare GPT-5 Codex by OpenAI against MiMo-V2-Omni by Xiaomi, tested across 49 shared challenges. Updated March 2026.

Which is better, GPT-5 Codex or MiMo-V2-Omni?

GPT-5 Codex and MiMo-V2-Omni are both competitive models. Compare their real outputs side by side below.

Key Differences Between GPT-5 Codex and MiMo-V2-Omni

GPT-5 Codex is made by openai while MiMo-V2-Omni is from xiaomi.

Our Verdict
GPT-5 Codex
GPT-5 Codex
MiMo-V2-Omni
MiMo-V2-OmniRunner-up

No community votes yet. On paper, GPT-5 Codex has the edge — bigger model tier, major provider backing.

Too close to call
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