Key Takeaways
Devstral Medium wins:
- Faster response time
Mistral Medium 3.1 wins:
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
Price Advantage
Devstral Medium
Benchmark Advantage
Mistral Medium 3.1
Context Window
Mistral Medium 3.1
Speed
Devstral Medium
Pricing Comparison
Price Comparison
| Metric | Devstral Medium | Mistral Medium 3.1 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.40 | $0.40 | Tie |
| Output (per 1M tokens) | $2.00 | $2.00 | Tie |
Both models have similar overall pricing.
Devstral Medium Providers
Mistral $0.40 (Cheapest)
Mistral Medium 3.1 Providers
Mistral $0.40 (Cheapest)
Benchmark Comparison
7
Benchmarks Compared
1
Devstral Medium Wins
5
Mistral Medium 3.1 Wins
Benchmark Scores
| Benchmark | Devstral Medium | Mistral Medium 3.1 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 18.6 | 21.1 | |
Coding Index Code generation & understanding | 15.9 | 18.3 | |
Math Index Mathematical reasoning | 4.7 | 38.3 | |
MMLU Pro Academic knowledge | 70.8 | 68.3 | |
GPQA Graduate-level science | 49.2 | 58.8 | |
LiveCodeBench Competitive programming | 33.7 | 40.6 | |
AIME Competition math | 6.7 | - | - |
Mistral Medium 3.1 shows stronger mathematical reasoning abilities.
Cost vs Quality
X-axis:
Y-axis:
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Devstral Medium
Other models
Context & Performance
Context Window
Devstral Medium
131,072
tokens
Mistral Medium 3.1
131,072
tokens
Speed Performance
| Metric | Devstral Medium | Mistral Medium 3.1 | Winner |
|---|---|---|---|
| Tokens/second | 112.6 tok/s | 97.3 tok/s | |
| Time to First Token | 0.44s | 0.36s |
Devstral Medium responds 16% faster on average.
Capabilities
Feature Comparison
| Feature | Devstral Medium | Mistral Medium 3.1 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Devstral Medium | Mistral Medium 3.1 |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Mistral AI | Mistral AI |
| Released | Jul 2025 | Aug 2025 |
Devstral Medium Modalities
Input
text
Output
text
Mistral Medium 3.1 Modalities
Input
textimage
Output
text