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  5. MiMo-V2.6-ProvsOpenAI o4-mini
Updated Sep 2026

MiMo-V2.6-ProvsOpenAI o4-mini

MiMo-V2.6-Pro is cheaper than OpenAI o4-mini at $0.435/M vs $1.1/M input tokens.

MiMo-V2.6-Pro and OpenAI o4-mini compared across 9 shared prompts
SpecMiMo-V2.6-ProOpenAI o4-mini
Input price$0.435/M tokens$1.1/M tokens
Output price$0.87/M tokens$4.4/M tokens
Context window1.0M tokens—
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedSep 2026Apr 2025
Our Verdict
MiMo-V2.6-Pro
MiMo-V2.6-Pro
OpenAI o4-mini
OpenAI o4-miniRunner-up

Not enough votes to call it. On the specs, MiMo-V2.6-Pro has the edge: bigger model tier, newer, bigger context window.

MiMo-V2.6-Pro costs 5.1x less per token.

Too close to call
API pricing

Cost per 1M tokens

MiMo-V2.6-Pro
Input
$0.43
2.5× cheaper
Output
$0.87
5.1× cheaper
OpenAI o4-mini
Input
$1.10
Output
$4.40

MiMo-V2.6-Pro is cheaper on both: 2.5× input, 5.1× output.

Where to run it

3 hosts

MiMo-V2.6-Pro2 hosts
HostInOutContextUptime
Xiaomifp8$0.43 in·$0.87 out·1M·99.8% upDDeepInfrafp8degraded$0.43 in·$0.87 out·1M·92.1% up
OpenAI o4-mini1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

MiMo-V2.6-Pro is developed by Xiaomi while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 9 challenges on Rival to see how they differ in practice.

It depends on your use case. MiMo-V2.6-Pro and OpenAI o4-mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 9 challenges so you can judge which fits your needs best.

MiMo-V2.6-Pro costs $0.435/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. MiMo-V2.6-Pro is $0.67/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of MiMo-V2.6-Pro and OpenAI o4-mini across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Keep exploring

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Same lab, same size, long tail

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Model pages

MiMo-V2.6-Pro logo
MiMo-V2.6-Pro9 outputs, specs and price
OpenAI o4-mini logo
OpenAI o4-mini59 outputs, specs and price
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