Key Takeaways
Mistral Medium 3.1 wins:
- Cheaper input tokens
- Cheaper output tokens
- Better at math
GPT-5.4 wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
Price Advantage
Mistral Medium 3.1
Benchmark Advantage
GPT-5.4
Context Window
GPT-5.4
Speed
GPT-5.4
Pricing Comparison
Price Comparison
| Metric | Mistral Medium 3.1 | GPT-5.4 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.40 | $2.50 | Mistral Medium 3.1 |
| Output (per 1M tokens) | $2.00 | $15.00 | Mistral Medium 3.1 |
| Cache Read (per 1M) | N/A | $0.25 | GPT-5.4 |
Using a 3:1 input/output ratio, Mistral Medium 3.1 is 86% cheaper overall.
Mistral Medium 3.1 Providers
No provider data available
GPT-5.4 Providers
No provider data available
Benchmark Comparison
6
Benchmarks Compared
0
Mistral Medium 3.1 Wins
3
GPT-5.4 Wins
Benchmark Scores
| Benchmark | Mistral Medium 3.1 | GPT-5.4 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 21.3 | 57.0 | |
Coding Index Code generation & understanding | 18.3 | 57.3 | |
Math Index Mathematical reasoning | 38.3 | - | - |
MMLU Pro Academic knowledge | 68.3 | - | - |
GPQA Graduate-level science | 58.8 | 92.0 | |
LiveCodeBench Competitive programming | 40.6 | - | - |
GPT-5.4 significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
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Mistral Medium 3.1
Other models
Context & Performance
Context Window
Mistral Medium 3.1
131,072
tokens
GPT-5.4
1,050,000
tokens
GPT-5.4 has a 88% larger context window.
Speed Performance
| Metric | Mistral Medium 3.1 | GPT-5.4 | Winner |
|---|---|---|---|
| Tokens/second | 78.1 tok/s | 84.0 tok/s | |
| Time to First Token | 0.42s | 165.19s |
Capabilities
Feature Comparison
| Feature | Mistral Medium 3.1 | GPT-5.4 |
|---|---|---|
| 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 | GPT-5.4 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Mistral AI | OpenAI |
| Released | Aug 2025 | Mar 2026 |
Mistral Medium 3.1 Modalities
Input
textimage
Output
text
GPT-5.4 Modalities
Input
textimagefile
Output
text