What is the difference between Grok 4.1 Fast and Mistral Medium 3?

Grok 4.1 Fast is developed by xAI while Mistral Medium 3 is developed by Mistral AI. You can compare their actual outputs across 55 challenges on Rival to see how they differ in practice.

Which is better, Grok 4.1 Fast or Mistral Medium 3?

It depends on your use case. Grok 4.1 Fast and Mistral Medium 3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 55 challenges so you can judge which fits your needs best.

How can I compare Grok 4.1 Fast and Mistral Medium 3 on Rival?

This page shows a side-by-side comparison of Grok 4.1 Fast 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 Grok 4.1 Fast and Mistral Medium 3?

Grok 4.1 Fast is developed by xAI while Mistral Medium 3 is developed by Mistral AI. You can compare their actual outputs across 55 challenges on Rival to see how they differ in practice.

Which is better, Grok 4.1 Fast or Mistral Medium 3?

It depends on your use case. Grok 4.1 Fast and Mistral Medium 3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 55 challenges so you can judge which fits your needs best.

How can I compare Grok 4.1 Fast and Mistral Medium 3 on Rival?

This page shows a side-by-side comparison of Grok 4.1 Fast 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.

Grok 4.1 Fast vs Mistral Medium 3: Which Is Better?

Updated Nov 2025

Our Verdict

Grok 4.1 Fast

Mistral Medium 3Runner-up

No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, newer, major provider backing.

Slight edge

API pricing

Cost per 1M tokens

Grok 4.1 Fast

Input

—

Output

—

Mistral Medium 3

Input

$0.40

Output

$2.00

Writing DNA

Style Comparison

Similarity

44%

Mistral Medium 3 uses 6.0x more emoji

Grok 4.1 Fast

Mistral Medium 3

67%Vocabulary57%

15wSentence Length17w

0.17Hedging0.73

4.7Bold8.6

3.7Lists6.5

0.00Emoji0.06

0.99Headings1.18

0.14Transitions0.15

Based on 24 + 15 text responses

Research

What we learned reading every model

Grok 4.1 Fast 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

Mistral Medium 3 vs MiniMax M3New provider

Grok 4.1 Fast vs OpenAI o3New provider

Grok 4.1 Fast vs Llama 4 MaverickNew provider

Updated Nov 2025

Our Verdict

Grok 4.1 Fast

Mistral Medium 3Runner-up

No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, newer, major provider backing.

Slight edge

API pricing

Cost per 1M tokens

Grok 4.1 Fast

Input

—

Output

—

Mistral Medium 3

Input

$0.40

Output

$2.00

Writing DNA

Style Comparison

Similarity

44%

Mistral Medium 3 uses 6.0x more emoji

Grok 4.1 Fast

Mistral Medium 3

67%Vocabulary57%

15wSentence Length17w

0.17Hedging0.73

4.7Bold8.6

3.7Lists6.5

0.00Emoji0.06

0.99Headings1.18

0.14Transitions0.15

Based on 24 + 15 text responses

Research

What we learned reading every model

Grok 4.1 Fast 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

Mistral Medium 3 vs MiniMax M3New provider

Grok 4.1 Fast vs OpenAI o3New provider

Grok 4.1 Fast vs Llama 4 MaverickNew provider