Key Takeaways
Mistral Medium 3.1 wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
Grok 4 wins:
- Larger context window
- Higher intelligence benchmark
- Better at coding
- Better at math
- Has reasoning mode
Price Advantage
Mistral Medium 3.1
Benchmark Advantage
Grok 4
Context Window
Grok 4
Speed
Mistral Medium 3.1
Pricing Comparison
Price Comparison
| Metric | Mistral Medium 3.1 | Grok 4 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.40 | $3.00 | Mistral Medium 3.1 |
| Output (per 1M tokens) | $2.00 | $15.00 | Mistral Medium 3.1 |
| Cache Read (per 1M) | N/A | $0.75 | Grok 4 |
Using a 3:1 input/output ratio, Mistral Medium 3.1 is 87% cheaper overall.
Mistral Medium 3.1 Providers
No provider data available
Grok 4 Providers
No provider data available
Benchmark Comparison
8
Benchmarks Compared
0
Mistral Medium 3.1 Wins
6
Grok 4 Wins
Benchmark Scores
| Benchmark | Mistral Medium 3.1 | Grok 4 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 21.3 | 41.5 | |
Coding Index Code generation & understanding | 18.3 | 40.5 | |
Math Index Mathematical reasoning | 38.3 | 92.7 | |
MMLU Pro Academic knowledge | 68.3 | 86.6 | |
GPQA Graduate-level science | 58.8 | 87.7 | |
LiveCodeBench Competitive programming | 40.6 | 81.9 | |
Aider Real-world code editing | - | 79.6 | - |
AIME Competition math | - | 94.3 | - |
Grok 4 significantly outperforms in coding benchmarks.
Cost vs Quality
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Mistral Medium 3.1
Other models
Context & Performance
Context Window
Mistral Medium 3.1
131,072
tokens
Grok 4
256,000
tokens
Grok 4 has a 49% larger context window.
Speed Performance
| Metric | Mistral Medium 3.1 | Grok 4 | Winner |
|---|---|---|---|
| Tokens/second | 78.1 tok/s | 48.1 tok/s | |
| Time to First Token | 0.42s | 10.29s |
Mistral Medium 3.1 responds 62% faster on average.
Capabilities
Feature Comparison
| Feature | Mistral Medium 3.1 | Grok 4 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Mistral Medium 3.1 | Grok 4 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Mistral AI | Xai |
| Released | Aug 2025 | Jul 2025 |
Mistral Medium 3.1 Modalities
Input
textimage
Output
text
Grok 4 Modalities
Input
imagetext
Output
text