What is the difference between GPT-5.1 Codex Max and MiMo-V2-Omni?

GPT-5.1 Codex Max is developed by OpenAI while MiMo-V2-Omni is developed by Xiaomi. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Codex Max or MiMo-V2-Omni?

It depends on your use case. GPT-5.1 Codex Max and MiMo-V2-Omni 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 can I compare GPT-5.1 Codex Max and MiMo-V2-Omni on Rival?

This page shows a side-by-side comparison of GPT-5.1 Codex Max 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-5.1 Codex Max and MiMo-V2-Omni?

GPT-5.1 Codex Max is developed by OpenAI while MiMo-V2-Omni is developed by Xiaomi. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Codex Max or MiMo-V2-Omni?

It depends on your use case. GPT-5.1 Codex Max and MiMo-V2-Omni 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 can I compare GPT-5.1 Codex Max and MiMo-V2-Omni on Rival?

This page shows a side-by-side comparison of GPT-5.1 Codex Max 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-5.1 Codex Max vs MiMo-V2-Omni: Which Is Better?

Updated Mar 2026

Our Verdict

GPT-5.1 Codex Max

MiMo-V2-OmniRunner-up

No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.1 Codex Max

Input

—

Output

—

MiMo-V2-Omni

Input

$0.40

Output

$2.00

Writing DNA

Style Comparison

Similarity

35%

MiMo-V2-Omni uses 25.7x more emoji

GPT-5.1 Codex Max

MiMo-V2-Omni

60%Vocabulary59%

16wSentence Length23w

0.36Hedging0.72

2.3Bold7.2

4.2Lists3.6

0.00Emoji0.26

0.12Headings1.25

0.03Transitions0.10

Based on 13 + 23 text responses

Research

What we learned reading every model

GPT-5.1 Codex Max and MiMo-V2-Omni 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-5.1 Codex Max vs MiniMax M3New provider

GPT-5.1 Codex Max vs Llama 4 MaverickNew provider

GPT-5.1 Codex Max vs Claude Opus 4New provider

Updated Mar 2026

Our Verdict

GPT-5.1 Codex Max

MiMo-V2-OmniRunner-up

No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.1 Codex Max

Input

—

Output

—

MiMo-V2-Omni

Input

$0.40

Output

$2.00

Writing DNA

Style Comparison

Similarity

35%

MiMo-V2-Omni uses 25.7x more emoji

GPT-5.1 Codex Max

MiMo-V2-Omni

60%Vocabulary59%

16wSentence Length23w

0.36Hedging0.72

2.3Bold7.2

4.2Lists3.6

0.00Emoji0.26

0.12Headings1.25

0.03Transitions0.10

Based on 13 + 23 text responses

Research

What we learned reading every model

GPT-5.1 Codex Max and MiMo-V2-Omni 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-5.1 Codex Max vs MiniMax M3New provider

GPT-5.1 Codex Max vs Llama 4 MaverickNew provider

GPT-5.1 Codex Max vs Claude Opus 4New provider