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

GPT-4.1 Nano is developed by OpenAI while MiMo-V2.5 is developed by Xiaomi. GPT-4.1 Nano has a 1.0M token context window vs MiMo-V2.5's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

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

It depends on your use case. GPT-4.1 Nano and MiMo-V2.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does GPT-4.1 Nano cost compared to MiMo-V2.5?

GPT-4.1 Nano costs $0.1/M input tokens and MiMo-V2.5 costs $0.4/M input tokens. GPT-4.1 Nano is $0.30/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 on Rival?

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

GPT-4.1 Nano is developed by OpenAI while MiMo-V2.5 is developed by Xiaomi. GPT-4.1 Nano has a 1.0M token context window vs MiMo-V2.5's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

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

It depends on your use case. GPT-4.1 Nano and MiMo-V2.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does GPT-4.1 Nano cost compared to MiMo-V2.5?

GPT-4.1 Nano costs $0.1/M input tokens and MiMo-V2.5 costs $0.4/M input tokens. GPT-4.1 Nano is $0.30/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 on Rival?

This page shows a side-by-side comparison of GPT-4.1 Nano and MiMo-V2.5 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: Which Is Better?

Updated Apr 2026

Our Verdict

MiMo-V2.5

GPT-4.1 NanoRunner-up

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

GPT-4.1 Nano is 5.0x 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

4.0× cheaper

Output

$0.40

5.0× cheaper

MiMo-V2.5

Input

$0.40

Output

$2.00

GPT-4.1 Nano is cheaper on both — 4.0× input, 5.0× output

Writing DNA

Style Comparison

Similarity

49%

MiMo-V2.5 uses 100.6x more emoji

GPT-4.1 Nano

MiMo-V2.5

57%Vocabulary57%

25wSentence Length17w

0.72Hedging0.64

5.6Bold5.9

4.9Lists2.8

0.00Emoji1.01

0.71Headings1.07

0.22Transitions0.07

Based on 24 + 27 text responses

Research

What we learned reading every model

GPT-4.1 Nano and MiMo-V2.5 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 Sonnet 4New provider

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

Updated Apr 2026

Our Verdict

MiMo-V2.5

GPT-4.1 NanoRunner-up

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

GPT-4.1 Nano is 5.0x 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

4.0× cheaper

Output

$0.40

5.0× cheaper

MiMo-V2.5

Input

$0.40

Output

$2.00

GPT-4.1 Nano is cheaper on both — 4.0× input, 5.0× output

Writing DNA

Style Comparison

Similarity

49%

MiMo-V2.5 uses 100.6x more emoji

GPT-4.1 Nano

MiMo-V2.5

57%Vocabulary57%

25wSentence Length17w

0.72Hedging0.64

5.6Bold5.9

4.9Lists2.8

0.00Emoji1.01

0.71Headings1.07

0.22Transitions0.07

Based on 24 + 27 text responses

Research

What we learned reading every model

GPT-4.1 Nano and MiMo-V2.5 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 Sonnet 4New provider

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