What is the difference between Grok 4.5 and Mistral Medium 3.1?

Grok 4.5 is developed by xAI while Mistral Medium 3.1 is developed by Mistral AI. Grok 4.5 has a 500K token context window vs Mistral Medium 3.1's 131K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Grok 4.5 or Mistral Medium 3.1?

It depends on your use case. Grok 4.5 and Mistral Medium 3.1 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 Grok 4.5 cost compared to Mistral Medium 3.1?

Grok 4.5 costs $2/M input tokens and Mistral Medium 3.1 costs $0.4/M input tokens. Mistral Medium 3.1 is $1.60/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 Grok 4.5 and Mistral Medium 3.1 on Rival?

This page shows a side-by-side comparison of Grok 4.5 and Mistral Medium 3.1 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 Grok 4.5 and Mistral Medium 3.1?

Grok 4.5 is developed by xAI while Mistral Medium 3.1 is developed by Mistral AI. Grok 4.5 has a 500K token context window vs Mistral Medium 3.1's 131K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Grok 4.5 or Mistral Medium 3.1?

It depends on your use case. Grok 4.5 and Mistral Medium 3.1 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 Grok 4.5 cost compared to Mistral Medium 3.1?

Grok 4.5 costs $2/M input tokens and Mistral Medium 3.1 costs $0.4/M input tokens. Mistral Medium 3.1 is $1.60/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 Grok 4.5 and Mistral Medium 3.1 on Rival?

This page shows a side-by-side comparison of Grok 4.5 and Mistral Medium 3.1 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.

Grok 4.5 vs Mistral Medium 3.1: Which Is Better?

Updated Jul 2026

Our Verdict

Grok 4.5

Mistral Medium 3.1Runner-up

No community votes yet. On paper, Grok 4.5 has the edge — newer, bigger context window, major provider backing.

Mistral Medium 3.1 is 3.0x cheaper per token — worth considering if cost matters.

Too close to call

What do Grok 4.5 and Mistral Medium 3.1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok 4.5

Input

$2.00

Output

$6.00

Mistral Medium 3.1

Input

$0.40

5.0× cheaper

Output

$2.00

3.0× cheaper

Mistral Medium 3.1 is cheaper on both — 5.0× input, 3.0× output

Writing DNA

Style Comparison

Similarity

28%

Mistral Medium 3.1 uses 4.4x more emoji

Grok 4.5

Mistral Medium 3.1

61%Vocabulary52%

16wSentence Length22w

0.23Hedging0.45

2.5Bold10.4

2.4Lists5.9

0.09Emoji0.39

0.48Headings1.12

0.06Transitions0.18

Based on 27 + 22 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok 4.5 vs MiniMax M3New provider

Grok 4.5 vs Ox AlphaNew provider

Grok 4.5 vs Claude Sonnet 4New provider

Updated Jul 2026

Our Verdict

Grok 4.5

Mistral Medium 3.1Runner-up

No community votes yet. On paper, Grok 4.5 has the edge — newer, bigger context window, major provider backing.

Mistral Medium 3.1 is 3.0x cheaper per token — worth considering if cost matters.

Too close to call

What do Grok 4.5 and Mistral Medium 3.1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok 4.5

Input

$2.00

Output

$6.00

Mistral Medium 3.1

Input

$0.40

5.0× cheaper

Output

$2.00

3.0× cheaper

Mistral Medium 3.1 is cheaper on both — 5.0× input, 3.0× output

Writing DNA

Style Comparison

Similarity

28%

Mistral Medium 3.1 uses 4.4x more emoji

Grok 4.5

Mistral Medium 3.1

61%Vocabulary52%

16wSentence Length22w

0.23Hedging0.45

2.5Bold10.4

2.4Lists5.9

0.09Emoji0.39

0.48Headings1.12

0.06Transitions0.18

Based on 27 + 22 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok 4.5 vs MiniMax M3New provider

Grok 4.5 vs Ox AlphaNew provider

Grok 4.5 vs Claude Sonnet 4New provider