What is the difference between Mistral Small 4 and OpenAI o4 Mini High?

Mistral Small 4 is developed by Mistral AI while OpenAI o4 Mini High is developed by OpenAI. Mistral Small 4 has a 262K token context window vs OpenAI o4 Mini High's 200K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Mistral Small 4 or OpenAI o4 Mini High?

It depends on your use case. Mistral Small 4 and OpenAI o4 Mini High 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 Mistral Small 4 cost compared to OpenAI o4 Mini High?

Mistral Small 4 costs $0.15/M input tokens and OpenAI o4 Mini High costs $1.1/M input tokens. Mistral Small 4 is $0.95/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 Small 4 and OpenAI o4 Mini High on Rival?

This page shows a side-by-side comparison of Mistral Small 4 and OpenAI o4 Mini High 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 Small 4 and OpenAI o4 Mini High?

Mistral Small 4 is developed by Mistral AI while OpenAI o4 Mini High is developed by OpenAI. Mistral Small 4 has a 262K token context window vs OpenAI o4 Mini High's 200K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Mistral Small 4 or OpenAI o4 Mini High?

It depends on your use case. Mistral Small 4 and OpenAI o4 Mini High 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 Mistral Small 4 cost compared to OpenAI o4 Mini High?

Mistral Small 4 costs $0.15/M input tokens and OpenAI o4 Mini High costs $1.1/M input tokens. Mistral Small 4 is $0.95/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 Small 4 and OpenAI o4 Mini High on Rival?

This page shows a side-by-side comparison of Mistral Small 4 and OpenAI o4 Mini High 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 Small 4 vs OpenAI o4 Mini High: Which Is Better?

Updated Mar 2026

Our Verdict

OpenAI o4 Mini High

Mistral Small 4Runner-up

No community votes yet. On paper, OpenAI o4 Mini High has the edge — bigger model tier, major provider backing.

Mistral Small 4 is 7.3x cheaper per token — worth considering if cost matters.

Too close to call

What do Mistral Small 4 and OpenAI o4 Mini High 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 Small 4

Input

$0.15

7.3× cheaper

Output

$0.60

7.3× cheaper

OpenAI o4 Mini High

Input

$1.10

Output

$4.40

Mistral Small 4 is cheaper on both — 7.3× input, 7.3× output

Writing DNA

Style Comparison

Similarity

20%

Mistral Small 4 uses 899.3x more bold

Mistral Small 4

OpenAI o4 Mini High

50%Vocabulary70%

18wSentence Length18w

0.58Hedging0.33

9.0Bold0.0

5.6Lists1.3

0.19Emoji0.02

1.10Headings0.00

0.12Transitions0.04

Based on 23 + 14 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Mistral Small 4 vs MiniMax M3New provider

Mistral Small 4 vs Ox AlphaNew provider

Mistral Small 4 vs Claude Opus 4New provider

Updated Mar 2026

Our Verdict

OpenAI o4 Mini High

Mistral Small 4Runner-up

No community votes yet. On paper, OpenAI o4 Mini High has the edge — bigger model tier, major provider backing.

Mistral Small 4 is 7.3x cheaper per token — worth considering if cost matters.

Too close to call

What do Mistral Small 4 and OpenAI o4 Mini High 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 Small 4

Input

$0.15

7.3× cheaper

Output

$0.60

7.3× cheaper

OpenAI o4 Mini High

Input

$1.10

Output

$4.40

Mistral Small 4 is cheaper on both — 7.3× input, 7.3× output

Writing DNA

Style Comparison

Similarity

20%

Mistral Small 4 uses 899.3x more bold

Mistral Small 4

OpenAI o4 Mini High

50%Vocabulary70%

18wSentence Length18w

0.58Hedging0.33

9.0Bold0.0

5.6Lists1.3

0.19Emoji0.02

1.10Headings0.00

0.12Transitions0.04

Based on 23 + 14 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Mistral Small 4 vs MiniMax M3New provider

Mistral Small 4 vs Ox AlphaNew provider

Mistral Small 4 vs Claude Opus 4New provider