Key Takeaways
Mistral Medium 3.1 wins:
- Supports vision
Grok Code Fast 1 wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Has reasoning mode
Price Advantage
Grok Code Fast 1
Benchmark Advantage
Grok Code Fast 1
Context Window
Grok Code Fast 1
Speed
Grok Code Fast 1
Pricing Comparison
Price Comparison
| Metric | Mistral Medium 3.1 | Grok Code Fast 1 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.40 | $0.20 | Grok Code Fast 1 |
| Output (per 1M tokens) | $2.00 | $1.50 | Grok Code Fast 1 |
| Cache Read (per 1M) | N/A | $0.02 | Grok Code Fast 1 |
Using a 3:1 input/output ratio, Grok Code Fast 1 is 34% cheaper overall.
Mistral Medium 3.1 Providers
No provider data available
Grok Code Fast 1 Providers
No provider data available
Benchmark Comparison
6
Benchmarks Compared
0
Mistral Medium 3.1 Wins
6
Grok Code Fast 1 Wins
Benchmark Scores
| Benchmark | Mistral Medium 3.1 | Grok Code Fast 1 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 21.3 | 28.7 | |
Coding Index Code generation & understanding | 18.3 | 23.7 | |
Math Index Mathematical reasoning | 38.3 | 43.3 | |
MMLU Pro Academic knowledge | 68.3 | 79.3 | |
GPQA Graduate-level science | 58.8 | 72.7 | |
LiveCodeBench Competitive programming | 40.6 | 65.7 |
Grok Code Fast 1 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 Code Fast 1
256,000
tokens
Grok Code Fast 1 has a 49% larger context window.
Speed Performance
| Metric | Mistral Medium 3.1 | Grok Code Fast 1 | Winner |
|---|---|---|---|
| Tokens/second | 78.1 tok/s | 171.7 tok/s | |
| Time to First Token | 0.42s | 3.27s |
Grok Code Fast 1 responds 120% faster on average.
Capabilities
Feature Comparison
| Feature | Mistral Medium 3.1 | Grok Code Fast 1 |
|---|---|---|
| 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 Code Fast 1 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Mistral AI | Xai |
| Released | Aug 2025 | Aug 2025 |
Mistral Medium 3.1 Modalities
Input
textimage
Output
text
Grok Code Fast 1 Modalities
Input
text
Output
text