What is the difference between MiMo-V2.5-Pro and o1?

MiMo-V2.5-Pro is developed by Xiaomi while o1 is developed by OpenAI. MiMo-V2.5-Pro has a 1.0M token context window vs o1's 128K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, MiMo-V2.5-Pro or o1?

It depends on your use case. MiMo-V2.5-Pro and o1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does MiMo-V2.5-Pro cost compared to o1?

MiMo-V2.5-Pro costs $1/M input tokens and o1 costs $15/M input tokens. MiMo-V2.5-Pro is $14.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare MiMo-V2.5-Pro and o1 on Rival?

This page shows a side-by-side comparison of MiMo-V2.5-Pro and o1 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.

What is the difference between MiMo-V2.5-Pro and o1?

MiMo-V2.5-Pro is developed by Xiaomi while o1 is developed by OpenAI. MiMo-V2.5-Pro has a 1.0M token context window vs o1's 128K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, MiMo-V2.5-Pro or o1?

It depends on your use case. MiMo-V2.5-Pro and o1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does MiMo-V2.5-Pro cost compared to o1?

MiMo-V2.5-Pro costs $1/M input tokens and o1 costs $15/M input tokens. MiMo-V2.5-Pro is $14.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare MiMo-V2.5-Pro and o1 on Rival?

This page shows a side-by-side comparison of MiMo-V2.5-Pro and o1 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.

MiMo-V2.5-Pro vs o1: Which Is Better?

Updated Apr 2026

Our Verdict

MiMo-V2.5-Pro

o1Runner-up

No community votes yet. On paper, MiMo-V2.5-Pro has the edge — bigger model tier, newer, bigger context window.

MiMo-V2.5-Pro is 20x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

MiMo-V2.5-Pro

Input

$1.00

15× cheaper

Output

$3.00

20× cheaper

Input

$15.00

Output

$60.00

MiMo-V2.5-Pro is cheaper on both — 15× input, 20× output

Writing DNA

Style Comparison

Similarity

64%

MiMo-V2.5-Pro uses 62.5x more emoji

MiMo-V2.5-Pro

58%Vocabulary64%

22wSentence Length16w

0.61Hedging0.76

5.7Bold5.0

3.1Lists2.6

0.63Emoji0.00

1.40Headings0.44

0.02Transitions0.40

Based on 27 + 13 text responses

Research

What we learned reading every model

MiMo-V2.5-Pro and o1 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

o1 vs MiniMax M3New provider

o1 vs Claude Opus 4.1New provider

o1 vs Llama 4 MaverickNew provider

Updated Apr 2026

Our Verdict

MiMo-V2.5-Pro

o1Runner-up

No community votes yet. On paper, MiMo-V2.5-Pro has the edge — bigger model tier, newer, bigger context window.

MiMo-V2.5-Pro is 20x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

MiMo-V2.5-Pro

Input

$1.00

15× cheaper

Output

$3.00

20× cheaper

Input

$15.00

Output

$60.00

MiMo-V2.5-Pro is cheaper on both — 15× input, 20× output

Writing DNA

Style Comparison

Similarity

64%

MiMo-V2.5-Pro uses 62.5x more emoji

MiMo-V2.5-Pro

58%Vocabulary64%

22wSentence Length16w

0.61Hedging0.76

5.7Bold5.0

3.1Lists2.6

0.63Emoji0.00

1.40Headings0.44

0.02Transitions0.40

Based on 27 + 13 text responses

Research

What we learned reading every model

MiMo-V2.5-Pro and o1 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

o1 vs MiniMax M3New provider

o1 vs Claude Opus 4.1New provider

o1 vs Llama 4 MaverickNew provider