What is the difference between GPT-4o (Omni) and MiMo-V2-Omni?

GPT-4o (Omni) is developed by OpenAI while MiMo-V2-Omni is developed by Xiaomi. GPT-4o (Omni) has a 128K token context window vs MiMo-V2-Omni's 262K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or MiMo-V2-Omni?

It depends on your use case. GPT-4o (Omni) and MiMo-V2-Omni 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-4o (Omni) cost compared to MiMo-V2-Omni?

GPT-4o (Omni) costs $2.5/M input tokens and MiMo-V2-Omni costs $0.4/M input tokens. MiMo-V2-Omni is $2.10/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-4o (Omni) and MiMo-V2-Omni on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) and MiMo-V2-Omni 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-4o (Omni) and MiMo-V2-Omni?

GPT-4o (Omni) is developed by OpenAI while MiMo-V2-Omni is developed by Xiaomi. GPT-4o (Omni) has a 128K token context window vs MiMo-V2-Omni's 262K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or MiMo-V2-Omni?

It depends on your use case. GPT-4o (Omni) and MiMo-V2-Omni 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-4o (Omni) cost compared to MiMo-V2-Omni?

GPT-4o (Omni) costs $2.5/M input tokens and MiMo-V2-Omni costs $0.4/M input tokens. MiMo-V2-Omni is $2.10/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-4o (Omni) and MiMo-V2-Omni on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) and MiMo-V2-Omni 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-4o (Omni) vs MiMo-V2-Omni: Which Is Better?

Updated Mar 2026

Our Verdict

GPT-4o (Omni)

MiMo-V2-Omni

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

MiMo-V2-Omni is 5.0x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-4o (Omni)

Input

$2.50

Output

$10.00

MiMo-V2-Omni

Input

$0.40

6.3× cheaper

Output

$2.00

5.0× cheaper

MiMo-V2-Omni is cheaper on both — 6.3× input, 5.0× output

Writing DNA

Style Comparison

Similarity

68%

MiMo-V2-Omni uses 10.2x more emoji

GPT-4o (Omni)

MiMo-V2-Omni

54%Vocabulary59%

18wSentence Length23w

0.72Hedging0.72

7.3Bold7.2

5.6Lists3.6

0.03Emoji0.26

1.40Headings1.25

0.26Transitions0.10

Based on 24 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-4o (Omni) vs MiniMax M3New provider

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

GPT-4o (Omni) vs Llama 4 MaverickNew provider

Updated Mar 2026

Our Verdict

GPT-4o (Omni)

MiMo-V2-Omni

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

MiMo-V2-Omni is 5.0x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-4o (Omni)

Input

$2.50

Output

$10.00

MiMo-V2-Omni

Input

$0.40

6.3× cheaper

Output

$2.00

5.0× cheaper

MiMo-V2-Omni is cheaper on both — 6.3× input, 5.0× output

Writing DNA

Style Comparison

Similarity

68%

MiMo-V2-Omni uses 10.2x more emoji

GPT-4o (Omni)

MiMo-V2-Omni

54%Vocabulary59%

18wSentence Length23w

0.72Hedging0.72

7.3Bold7.2

5.6Lists3.6

0.03Emoji0.26

1.40Headings1.25

0.26Transitions0.10

Based on 24 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-4o (Omni) vs MiniMax M3New provider

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

GPT-4o (Omni) vs Llama 4 MaverickNew provider