Key Takeaways
Phi-3 Medium 128K Instruct wins:
- Higher intelligence benchmark
Devstral 2 2512 wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Faster response time
- Better at coding
- Better at math
Price Advantage
Devstral 2 2512
Benchmark Advantage
Devstral 2 2512
Context Window
Devstral 2 2512
Speed
Devstral 2 2512
Pricing Comparison
Price Comparison
| Metric | Phi-3 Medium 128K Instruct | Devstral 2 2512 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $1.00 | $0.40 | Devstral 2 2512 |
| Output (per 1M tokens) | $1.00 | $0.90 | Devstral 2 2512 |
| Cache Read (per 1M) | N/A | $0.45 | Devstral 2 2512 |
Using a 3:1 input/output ratio, Devstral 2 2512 is 48% cheaper overall.
Phi-3 Medium 128K Instruct Providers
No provider data available
Devstral 2 2512 Providers
No provider data available
Benchmark Comparison
7
Benchmarks Compared
1
Phi-3 Medium 128K Instruct Wins
2
Devstral 2 2512 Wins
Benchmark Scores
| Benchmark | Phi-3 Medium 128K Instruct | Devstral 2 2512 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 32.0 | 22.0 | |
Coding Index Code generation & understanding | - | 23.7 | - |
Math Index Mathematical reasoning | - | 36.7 | - |
MMLU Pro Academic knowledge | 41.2 | 76.2 | |
GPQA Graduate-level science | 11.5 | 59.4 | |
LiveCodeBench Competitive programming | - | 44.8 | - |
BBH Big-Bench Hard | 48.5 | - | - |
Devstral 2 2512 significantly outperforms in coding benchmarks.
Cost vs Quality
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Phi-3 Medium 128K Instruct
Other models
Context & Performance
Context Window
Phi-3 Medium 128K Instruct
128,000
tokens
Devstral 2 2512
262,144
tokens
Devstral 2 2512 has a 51% larger context window.
Speed Performance
| Metric | Phi-3 Medium 128K Instruct | Devstral 2 2512 | Winner |
|---|---|---|---|
| Tokens/second | N/A | 81.2 tok/s | |
| Time to First Token | N/A | 0.39s |
Capabilities
Feature Comparison
| Feature | Phi-3 Medium 128K Instruct | Devstral 2 2512 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Phi-3 Medium 128K Instruct | Devstral 2 2512 |
|---|---|---|
| License | Open Source | Open Source |
| Author | Microsoft | Mistral AI |
| Released | Unknown | Dec 2025 |
Phi-3 Medium 128K Instruct Modalities
Input
Output
Devstral 2 2512 Modalities
Input
text
Output
text