What is the difference between GPT-4o (Omni) and Mistral Medium 3?

GPT-4o (Omni) is developed by OpenAI while Mistral Medium 3 is developed by Mistral AI. GPT-4o (Omni) has a 128K token context window vs Mistral Medium 3's 131K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or Mistral Medium 3?

It depends on your use case. GPT-4o (Omni) and Mistral Medium 3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does GPT-4o (Omni) cost compared to Mistral Medium 3?

GPT-4o (Omni) costs $2.5/M input tokens and Mistral Medium 3 costs $0.4/M input tokens. Mistral Medium 3 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 Mistral Medium 3 on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) and Mistral Medium 3 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 Mistral Medium 3?

GPT-4o (Omni) is developed by OpenAI while Mistral Medium 3 is developed by Mistral AI. GPT-4o (Omni) has a 128K token context window vs Mistral Medium 3's 131K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or Mistral Medium 3?

It depends on your use case. GPT-4o (Omni) and Mistral Medium 3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does GPT-4o (Omni) cost compared to Mistral Medium 3?

GPT-4o (Omni) costs $2.5/M input tokens and Mistral Medium 3 costs $0.4/M input tokens. Mistral Medium 3 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 Mistral Medium 3 on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) and Mistral Medium 3 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 Mistral Medium 3: Which Is Better?

Updated May 2025

Our Verdict

GPT-4o (Omni)

Mistral Medium 3Runner-up

No community votes yet. On paper, GPT-4o (Omni) has the edge — bigger model tier, major provider backing.

Mistral Medium 3 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

Mistral Medium 3

Input

$0.40

6.3× cheaper

Output

$2.00

5.0× cheaper

Mistral Medium 3 is cheaper on both — 6.3× input, 5.0× output

Writing DNA

Style Comparison

Similarity

74%

Mistral Medium 3 uses 2.4x more emoji

GPT-4o (Omni)

Mistral Medium 3

54%Vocabulary57%

18wSentence Length17w

0.72Hedging0.73

7.3Bold8.6

5.6Lists6.5

0.03Emoji0.06

1.40Headings1.18

0.26Transitions0.15

Based on 24 + 15 text responses

Research

What we learned reading every model

GPT-4o (Omni) and Mistral Medium 3 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-4o (Omni) vs MiniMax M3New provider

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

Mistral Medium 3 vs GPT-5Cross-provider

Updated May 2025

Our Verdict

GPT-4o (Omni)

Mistral Medium 3Runner-up

No community votes yet. On paper, GPT-4o (Omni) has the edge — bigger model tier, major provider backing.

Mistral Medium 3 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

Mistral Medium 3

Input

$0.40

6.3× cheaper

Output

$2.00

5.0× cheaper

Mistral Medium 3 is cheaper on both — 6.3× input, 5.0× output

Writing DNA

Style Comparison

Similarity

74%

Mistral Medium 3 uses 2.4x more emoji

GPT-4o (Omni)

Mistral Medium 3

54%Vocabulary57%

18wSentence Length17w

0.72Hedging0.73

7.3Bold8.6

5.6Lists6.5

0.03Emoji0.06

1.40Headings1.18

0.26Transitions0.15

Based on 24 + 15 text responses

Research

What we learned reading every model

GPT-4o (Omni) and Mistral Medium 3 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-4o (Omni) vs MiniMax M3New provider

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

Mistral Medium 3 vs GPT-5Cross-provider