What is the difference between GPT-4.1 Nano and MiMo-V2.5-Pro?

GPT-4.1 Nano is developed by OpenAI while MiMo-V2.5-Pro is developed by Xiaomi. GPT-4.1 Nano has a 1.0M token context window vs MiMo-V2.5-Pro's 1.0M. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.1 Nano or MiMo-V2.5-Pro?

It depends on your use case. GPT-4.1 Nano and MiMo-V2.5-Pro 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 GPT-4.1 Nano cost compared to MiMo-V2.5-Pro?

GPT-4.1 Nano costs $0.1/M input tokens and MiMo-V2.5-Pro costs $1/M input tokens. GPT-4.1 Nano is $0.90/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 GPT-4.1 Nano and MiMo-V2.5-Pro on Rival?

This page shows a side-by-side comparison of GPT-4.1 Nano and MiMo-V2.5-Pro 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 GPT-4.1 Nano and MiMo-V2.5-Pro?

GPT-4.1 Nano is developed by OpenAI while MiMo-V2.5-Pro is developed by Xiaomi. GPT-4.1 Nano has a 1.0M token context window vs MiMo-V2.5-Pro's 1.0M. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.1 Nano or MiMo-V2.5-Pro?

It depends on your use case. GPT-4.1 Nano and MiMo-V2.5-Pro 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 GPT-4.1 Nano cost compared to MiMo-V2.5-Pro?

GPT-4.1 Nano costs $0.1/M input tokens and MiMo-V2.5-Pro costs $1/M input tokens. GPT-4.1 Nano is $0.90/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 GPT-4.1 Nano and MiMo-V2.5-Pro on Rival?

This page shows a side-by-side comparison of GPT-4.1 Nano and MiMo-V2.5-Pro 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.

GPT-4.1 Nano vs MiMo-V2.5-Pro: Which Is Better?

Updated Apr 2026

Our Verdict

MiMo-V2.5-Pro

GPT-4.1 NanoRunner-up

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

GPT-4.1 Nano is 7.5x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1 Nano

Input

$0.10

10× cheaper

Output

$0.40

7.5× cheaper

MiMo-V2.5-Pro

Input

$1.00

Output

$3.00

GPT-4.1 Nano is cheaper on both — 10× input, 7.5× output

Writing DNA

Style Comparison

Similarity

66%

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

GPT-4.1 Nano

MiMo-V2.5-Pro

57%Vocabulary58%

25wSentence Length22w

0.72Hedging0.61

5.6Bold5.7

4.9Lists3.1

0.00Emoji0.63

0.71Headings1.40

0.22Transitions0.02

Based on 24 + 27 text responses

Research

What we learned reading every model

GPT-4.1 Nano and MiMo-V2.5-Pro 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

GPT-4.1 Nano vs MiniMax M3New provider

GPT-4.1 Nano vs Claude Opus 4.1New provider

MiMo-V2.5-Pro vs GPT-5Cross-provider

Updated Apr 2026

Our Verdict

MiMo-V2.5-Pro

GPT-4.1 NanoRunner-up

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

GPT-4.1 Nano is 7.5x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1 Nano

Input

$0.10

10× cheaper

Output

$0.40

7.5× cheaper

MiMo-V2.5-Pro

Input

$1.00

Output

$3.00

GPT-4.1 Nano is cheaper on both — 10× input, 7.5× output

Writing DNA

Style Comparison

Similarity

66%

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

GPT-4.1 Nano

MiMo-V2.5-Pro

57%Vocabulary58%

25wSentence Length22w

0.72Hedging0.61

5.6Bold5.7

4.9Lists3.1

0.00Emoji0.63

0.71Headings1.40

0.22Transitions0.02

Based on 24 + 27 text responses

Research

What we learned reading every model

GPT-4.1 Nano and MiMo-V2.5-Pro 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

GPT-4.1 Nano vs MiniMax M3New provider

GPT-4.1 Nano vs Claude Opus 4.1New provider

MiMo-V2.5-Pro vs GPT-5Cross-provider