What is the difference between Mistral Medium 3.1 and OpenAI o4-mini?

Mistral Medium 3.1 is developed by Mistral AI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Mistral Medium 3.1 or OpenAI o4-mini?

It depends on your use case. Mistral Medium 3.1 and OpenAI o4-mini 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 Mistral Medium 3.1 cost compared to OpenAI o4-mini?

Mistral Medium 3.1 costs $0.4/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. Mistral Medium 3.1 is $0.70/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 Mistral Medium 3.1 and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Mistral Medium 3.1 and OpenAI o4-mini 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 Mistral Medium 3.1 and OpenAI o4-mini?

Mistral Medium 3.1 is developed by Mistral AI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Mistral Medium 3.1 or OpenAI o4-mini?

It depends on your use case. Mistral Medium 3.1 and OpenAI o4-mini 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 Mistral Medium 3.1 cost compared to OpenAI o4-mini?

Mistral Medium 3.1 costs $0.4/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. Mistral Medium 3.1 is $0.70/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 Mistral Medium 3.1 and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Mistral Medium 3.1 and OpenAI o4-mini 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.

Mistral Medium 3.1 vs OpenAI o4-mini: Which Is Better?

Updated Aug 2025

Our Verdict

Mistral Medium 3.1

OpenAI o4-miniRunner-up

No community votes yet. On paper, Mistral Medium 3.1 has the edge — bigger model tier, newer, bigger context window.

Too close to call

What do Mistral Medium 3.1 and OpenAI o4-mini say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Mistral Medium 3.1

Input

$0.40

2.8× cheaper

Output

$2.00

2.2× cheaper

OpenAI o4-mini

Input

$1.10

Output

$4.40

Mistral Medium 3.1 is cheaper on both — 2.8× input, 2.2× output

Writing DNA

Style Comparison

Similarity

20%

Mistral Medium 3.1 uses 1042.8x more bold

Mistral Medium 3.1

OpenAI o4-mini

52%Vocabulary73%

22wSentence Length15w

0.45Hedging0.18

10.4Bold0.0

5.9Lists2.1

0.39Emoji0.00

1.12Headings0.00

0.18Transitions0.02

Based on 22 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Mistral Medium 3.1 vs MiniMax M3New provider

Mistral Medium 3.1 vs Ox AlphaNew provider

Mistral Medium 3.1 vs Claude Sonnet 4New provider

Updated Aug 2025

Our Verdict

Mistral Medium 3.1

OpenAI o4-miniRunner-up

No community votes yet. On paper, Mistral Medium 3.1 has the edge — bigger model tier, newer, bigger context window.

Too close to call

What do Mistral Medium 3.1 and OpenAI o4-mini say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Mistral Medium 3.1

Input

$0.40

2.8× cheaper

Output

$2.00

2.2× cheaper

OpenAI o4-mini

Input

$1.10

Output

$4.40

Mistral Medium 3.1 is cheaper on both — 2.8× input, 2.2× output

Writing DNA

Style Comparison

Similarity

20%

Mistral Medium 3.1 uses 1042.8x more bold

Mistral Medium 3.1

OpenAI o4-mini

52%Vocabulary73%

22wSentence Length15w

0.45Hedging0.18

10.4Bold0.0

5.9Lists2.1

0.39Emoji0.00

1.12Headings0.00

0.18Transitions0.02

Based on 22 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Mistral Medium 3.1 vs MiniMax M3New provider

Mistral Medium 3.1 vs Ox AlphaNew provider

Mistral Medium 3.1 vs Claude Sonnet 4New provider