Key Takeaways
Phi-3 Medium 128K Instruct wins:
- Cheaper output tokens
- Higher intelligence benchmark
Mistral Medium 3.1 wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Better at coding
- Better at math
- Supports vision
Price Advantage
Phi-3 Medium 128K Instruct
Benchmark Advantage
Mistral Medium 3.1
Context Window
Mistral Medium 3.1
Speed
Mistral Medium 3.1
Pricing Comparison
Price Comparison
| Metric | Phi-3 Medium 128K Instruct | Mistral Medium 3.1 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $1.00 | $0.40 | Mistral Medium 3.1 |
| Output (per 1M tokens) | $1.00 | $2.00 | Phi-3 Medium 128K Instruct |
Using a 3:1 input/output ratio, Mistral Medium 3.1 is 20% cheaper overall.
Phi-3 Medium 128K Instruct Providers
No provider data available
Mistral Medium 3.1 Providers
No provider data available
Benchmark Comparison
7
Benchmarks Compared
1
Phi-3 Medium 128K Instruct Wins
2
Mistral Medium 3.1 Wins
Benchmark Scores
| Benchmark | Phi-3 Medium 128K Instruct | Mistral Medium 3.1 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 32.0 | 21.3 | |
Coding Index Code generation & understanding | - | 18.3 | - |
Math Index Mathematical reasoning | - | 38.3 | - |
MMLU Pro Academic knowledge | 41.2 | 68.3 | |
GPQA Graduate-level science | 11.5 | 58.8 | |
LiveCodeBench Competitive programming | - | 40.6 | - |
BBH Big-Bench Hard | 48.5 | - | - |
Mistral Medium 3.1 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
Mistral Medium 3.1
131,072
tokens
Mistral Medium 3.1 has a 2% larger context window.
Speed Performance
| Metric | Phi-3 Medium 128K Instruct | Mistral Medium 3.1 | Winner |
|---|---|---|---|
| Tokens/second | N/A | 78.1 tok/s | |
| Time to First Token | N/A | 0.42s |
Capabilities
Feature Comparison
| Feature | Phi-3 Medium 128K Instruct | 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 | Phi-3 Medium 128K Instruct | Mistral Medium 3.1 |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Microsoft | Mistral AI |
| Released | Unknown | Aug 2025 |
Phi-3 Medium 128K Instruct Modalities
Input
Output
Mistral Medium 3.1 Modalities
Input
textimage
Output
text