What is the difference between DeepSeek R1 and Mistral Devstral Medium?

DeepSeek R1 is developed by DeepSeek while Mistral Devstral Medium is developed by Mistral AI. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 or Mistral Devstral Medium?

It depends on your use case. DeepSeek R1 and Mistral Devstral Medium 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 DeepSeek R1 cost compared to Mistral Devstral Medium?

DeepSeek R1 costs $0.55/M input tokens and Mistral Devstral Medium costs $0.4/M input tokens. Mistral Devstral Medium is $0.15/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 R1 and Mistral Devstral Medium on Rival?

This page shows a side-by-side comparison of DeepSeek R1 and Mistral Devstral Medium 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 R1 and Mistral Devstral Medium?

DeepSeek R1 is developed by DeepSeek while Mistral Devstral Medium is developed by Mistral AI. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 or Mistral Devstral Medium?

It depends on your use case. DeepSeek R1 and Mistral Devstral Medium 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 DeepSeek R1 cost compared to Mistral Devstral Medium?

DeepSeek R1 costs $0.55/M input tokens and Mistral Devstral Medium costs $0.4/M input tokens. Mistral Devstral Medium is $0.15/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 R1 and Mistral Devstral Medium on Rival?

This page shows a side-by-side comparison of DeepSeek R1 and Mistral Devstral Medium 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.

Updated Jul 2025

DeepSeek R1vsMistral Devstral Medium

Mistral Devstral Medium is cheaper than DeepSeek R1 at $0.4/M vs $0.55/M input tokens.

DeepSeek R1 and Mistral Devstral Medium compared across 54 shared prompts
Spec	DeepSeek R1	Mistral Devstral Medium
Input price	$0.55/M tokens	$0.4/M tokens
Output price	$2.19/M tokens	$2/M tokens
Context window	128K tokens	—
Released	Feb 2025	Jul 2025
SWE-bench Verified	49.2%	61.6%

Our Verdict

DeepSeek R1

Mistral Devstral MediumRunner-up

Not enough votes to call it. On the specs, DeepSeek R1 has the edge: bigger model tier, bigger context window, major provider backing.

Mistral Devstral Medium takes Reasoning.

Too close to call

API pricing

Cost per 1M tokens

DeepSeek R1

Input

$0.55

Output

$2.19

Mistral Devstral Medium

Input

$0.40

1.4× cheaper

Output

$2.00

1.1× cheaper

Mistral Devstral Medium is cheaper on both — 1.4× input, 1.1× output

Writing DNA

Style Comparison

Similarity

54%

DeepSeek R1 uses 26.7x more emoji

DeepSeek R1

Mistral Devstral Medium

64%Vocabulary50%

15wSentence Length18w

0.48Hedging0.50

7.2Bold4.1

4.9Lists4.8

0.27Emoji0.00

0.57Headings0.19

0.25Transitions0.29

Based on 28 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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Updated Jul 2025

DeepSeek R1vsMistral Devstral Medium

Mistral Devstral Medium is cheaper than DeepSeek R1 at $0.4/M vs $0.55/M input tokens.

DeepSeek R1 and Mistral Devstral Medium compared across 54 shared prompts
Spec	DeepSeek R1	Mistral Devstral Medium
Input price	$0.55/M tokens	$0.4/M tokens
Output price	$2.19/M tokens	$2/M tokens
Context window	128K tokens	—
Released	Feb 2025	Jul 2025
SWE-bench Verified	49.2%	61.6%

Our Verdict

DeepSeek R1

Mistral Devstral MediumRunner-up

Not enough votes to call it. On the specs, DeepSeek R1 has the edge: bigger model tier, bigger context window, major provider backing.

Mistral Devstral Medium takes Reasoning.

Too close to call

API pricing

Cost per 1M tokens

DeepSeek R1

Input

$0.55

Output

$2.19

Mistral Devstral Medium

Input

$0.40

1.4× cheaper

Output

$2.00

1.1× cheaper

Mistral Devstral Medium is cheaper on both — 1.4× input, 1.1× output

Writing DNA

Style Comparison

Similarity

54%

DeepSeek R1 uses 26.7x more emoji

DeepSeek R1

Mistral Devstral Medium

64%Vocabulary50%

15wSentence Length18w

0.48Hedging0.50

7.2Bold4.1

4.9Lists4.8

0.27Emoji0.00

0.57Headings0.19

0.25Transitions0.29

Based on 28 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Mistral Devstral Medium vs Ox AlphaNew provider

Mistral Devstral Medium vs MiniMax M3New provider

Mistral Devstral Medium vs Claude Sonnet 4New provider

Mistral Devstral Medium vs Grok 4New provider

Mistral Devstral Medium vs Healer AlphaNew provider

Mistral Devstral Medium vs Horizon AlphaNew provider

Mistral Devstral Medium vs Horizon BetaNew provider

DeepSeek R1 vs Hunter AlphaNew provider