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Devstral 2 vs Mistral Medium 3.1

Devstral 2 vs Mistral Medium 3.1: Devstral 2 is cheaper for input-heavy usage ($0.40/M vs $0.40/M input tokens), while Devstral 2 is better for long-context tasks (262,144 tokens).

Direct answer: choose Devstral 2 for lower token spend and choose Devstral 2 when your workload needs longer context.

Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.

Mistral AI
Devstral 2
vs
Mistral AI
Mistral Medium 3.1

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Devstral 2

Per Request:$0.001400
Daily:$0.14
Monthly:$4.20
Yearly:$51.10

Mistral Medium 3.1

Per Request:$0.001400
Daily:$0.14
Monthly:$4.20
Yearly:$51.10

Cost Differences

$0.00
Per Request
$0.00
Daily
$0.00
Monthly
$0.00
Yearly

Mistral Medium 3.1 costs less than Devstral 2

Quick Recommendation

Winner for direct API pricing: Devstral 2. At the default workload, Devstral 2 saves about $0.00/month ($0.00/year) versus Mistral Medium 3.1.

Feature Comparison

FeatureDevstral 2Mistral Medium 3.1
ProviderMistral AIMistral AI
Input Price$0.40/1M tokens$0.40/1M tokens
Output Price$2.00/1M tokens$2.00/1M tokens
Context Window262,144 tokens131,072 tokens
Max Output32,768 tokens16,384 tokens
Categoryefficientbalanced
Capabilities
textcode
textcodereasoning
Release Date12/9/20258/1/2025

Devstral 2 vs Mistral Medium 3.1: Which Should You Choose?

Choosing between Devstral 2 and Mistral Medium 3.1 depends on your priorities: cost efficiency, context length, or raw capability. Mistral Medium 3.1 is the more affordable option at $0.40/1M input tokens. Meanwhile, Devstral 2 offers a significantly larger context window at 262,144 tokens vs 131,072 for Mistral Medium 3.1.

These models target different tiers: Devstral 2 is a efficient model while Mistral Medium 3.1 is balanced. This means they're optimized for different workloads. Mistral Medium 3.1 targets more demanding workloads, while Devstral 2 provides a cost-effective option for everyday tasks.

Output costs matter too. Devstral 2 charges $2.00/1M output tokens vs $2.00 for Mistral Medium 3.1.

Best Use Cases

Choose Devstral 2 when:

  • • You need a larger context window (262,144 tokens)
  • • You need longer outputs (up to 32,768 tokens)
  • • You're already using Mistral AI's API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Choose Mistral Medium 3.1 when:

  • • You need more capabilities (reasoning)
  • • You're already using Mistral AI's API ecosystem

Pros and Caveats at a Glance

Devstral 2

  • Input pricing: $0.40/M tokens
  • Output pricing: $2.00/M tokens
  • Context window: 262,144 tokens
  • Max output: 32,768 tokens

Watch out for

  • Trade-offs are minor in this matchup.

Mistral Medium 3.1

  • Input pricing: $0.40/M tokens
  • Output pricing: $2.00/M tokens
  • Context window: 131,072 tokens
  • Max output: 16,384 tokens

Watch out for

  • Smaller context window than Devstral 2

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Devstral 2 (Mistral AI)

Mistral Medium 3.1 (Mistral AI)

Start using Devstral 2 today

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Start using Mistral Medium 3.1 today

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Frequently Asked Questions

Which is cheaper, Devstral 2 or Mistral Medium 3.1?
Mistral Medium 3.1 is cheaper for input tokens at $0.40 per million tokens vs $0.40 for Devstral 2.
What is the context window difference between Devstral 2 and Mistral Medium 3.1?
Devstral 2 supports 262,144 tokens while Mistral Medium 3.1 supports 131,072 tokens — a difference of 131,072 tokens in favor of Devstral 2.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, Mistral Medium 3.1 is the lower-cost option, while Devstral 2 offers a larger context window (262,144 vs 131,072 tokens). Choose Mistral Medium 3.1 for budget sensitivity or Devstral 2 for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, Devstral 2 costs about $4.20/month and Mistral Medium 3.1 costs about $4.20/month. Overall, Mistral Medium 3.1 has lower combined input + output rates ($0.40 in, $2.00 out) vs Devstral 2.

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