Devstral 2 vs Mistral Medium 3.1
Pricing verdict: Devstral 2 vs Mistral Medium 3.1: pricing is a tie at $0.40/M input and $2.00/M output. The real choice is context: Devstral 2 is better for long-context tasks (262,144 tokens vs 131,072).
Direct answer: pricing is a tie. Choose Devstral 2 for the larger 262.1K context window, or pick Mistral Medium 3.1 if 131.1K is already enough for your workload.
Compare API pricing, input and output token costs, context windows, and monthly estimates on one page so you can pick the right model fast.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Devstral 2
Mistral Medium 3.1
Cost Differences
Both models cost the same at the default workload.
Quick Recommendation
Direct API pricing is a tie at the default workload: both land around $4.20/month. Pick Devstral 2 if you need the larger 262.1K context window; otherwise choose the model that better fits your workflow.
Feature Comparison
| Feature | Devstral 2 | Mistral Medium 3.1 |
|---|---|---|
| Provider | Mistral AI | Mistral AI |
| Input Price | $0.40/1M tokens | $0.40/1M tokens |
| Output Price | $2.00/1M tokens | $2.00/1M tokens |
| Context Window | 262,144 tokens | 131,072 tokens |
| Max Output | 32,768 tokens | 16,384 tokens |
| Category | efficient | balanced |
| Capabilities | textcode | textcodereasoning |
| Release Date | 12/9/2025 | 8/1/2025 |
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. Both models cost the same on input and output tokens, so raw price is a tie. 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)
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What is the context window difference between Devstral 2 and Mistral Medium 3.1?▼
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