What is the difference between DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1?

DeepSeek V4 Flash 0731 is developed by DeepSeek while Mistral Devstral Small 1.1 is developed by Mistral AI. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Flash 0731 or Mistral Devstral Small 1.1?

It depends on your use case. DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Flash 0731 cost compared to Mistral Devstral Small 1.1?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and Mistral Devstral Small 1.1 costs $0.1/M input tokens. Mistral Devstral Small 1.1 is $0.04/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 DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1 on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1 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 DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1?

DeepSeek V4 Flash 0731 is developed by DeepSeek while Mistral Devstral Small 1.1 is developed by Mistral AI. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Flash 0731 or Mistral Devstral Small 1.1?

It depends on your use case. DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Flash 0731 cost compared to Mistral Devstral Small 1.1?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and Mistral Devstral Small 1.1 costs $0.1/M input tokens. Mistral Devstral Small 1.1 is $0.04/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 DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1 on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1 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.

DeepSeek V4 Flash 0731 vs Mistral Devstral Small 1.1: Which Is Better?

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

Mistral Devstral Small 1.1Runner-up

No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — bigger model tier, newer, bigger context window, major provider backing.

Slight edge

API pricing

Cost per 1M tokens

DeepSeek V4 Flash 0731

Input

$0.14

Output

$0.28

1.1× cheaper

Mistral Devstral Small 1.1

Input

$0.10

1.4× cheaper

Output

$0.30

Mistral Devstral Small 1.1 wins input (1.4× cheaper)·DeepSeek V4 Flash 0731 wins output (1.1× cheaper)

Writing DNA

Style Comparison

Similarity

48%

DeepSeek V4 Flash 0731 uses 17.1x more headings

DeepSeek V4 Flash 0731

Mistral Devstral Small 1.1

52%Vocabulary50%

18wSentence Length17w

0.38Hedging0.56

5.7Bold4.3

3.4Lists5.7

0.00Emoji0.00

0.83Headings0.05

0.04Transitions0.34

Based on 23 + 21 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1 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 Devstral Small 1.1 vs MiniMax M3New provider

Mistral Devstral Small 1.1 vs Aurora AlphaNew provider

Mistral Devstral Small 1.1 vs Claude Sonnet 4New provider

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

Mistral Devstral Small 1.1Runner-up

No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — bigger model tier, newer, bigger context window, major provider backing.

Slight edge

API pricing

Cost per 1M tokens

DeepSeek V4 Flash 0731

Input

$0.14

Output

$0.28

1.1× cheaper

Mistral Devstral Small 1.1

Input

$0.10

1.4× cheaper

Output

$0.30

Mistral Devstral Small 1.1 wins input (1.4× cheaper)·DeepSeek V4 Flash 0731 wins output (1.1× cheaper)

Writing DNA

Style Comparison

Similarity

48%

DeepSeek V4 Flash 0731 uses 17.1x more headings

DeepSeek V4 Flash 0731

Mistral Devstral Small 1.1

52%Vocabulary50%

18wSentence Length17w

0.38Hedging0.56

5.7Bold4.3

3.4Lists5.7

0.00Emoji0.00

0.83Headings0.05

0.04Transitions0.34

Based on 23 + 21 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and Mistral Devstral Small 1.1 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 Devstral Small 1.1 vs MiniMax M3New provider

Mistral Devstral Small 1.1 vs Aurora AlphaNew provider

Mistral Devstral Small 1.1 vs Claude Sonnet 4New provider