Key Takeaways
Magistral Medium wins:
- Cheaper output tokens
GPT-5 Codex wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
- Supports tool calls
Price Advantage
Magistral Medium
Benchmark Advantage
GPT-5 Codex
Context Window
GPT-5 Codex
Speed
GPT-5 Codex
Pricing Comparison
Price Comparison
| Metric | Magistral Medium | GPT-5 Codex | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $2.00 | $1.25 | GPT-5 Codex |
| Output (per 1M tokens) | $5.00 | $10.00 | Magistral Medium |
| Cache Read (per 1M) | N/A | $0.13 | GPT-5 Codex |
Using a 3:1 input/output ratio, Magistral Medium is 20% cheaper overall.
Magistral Medium Providers
No provider data available
GPT-5 Codex Providers
No provider data available
Benchmark Comparison
7
Benchmarks Compared
0
Magistral Medium Wins
6
GPT-5 Codex Wins
Benchmark Scores
| Benchmark | Magistral Medium | GPT-5 Codex | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 18.8 | 44.6 | |
Coding Index Code generation & understanding | 16.0 | 38.9 | |
Math Index Mathematical reasoning | 40.3 | 98.7 | |
MMLU Pro Academic knowledge | 75.3 | 86.5 | |
GPQA Graduate-level science | 67.9 | 83.7 | |
LiveCodeBench Competitive programming | 52.7 | 84.0 | |
AIME Competition math | 70.0 | - | - |
GPT-5 Codex significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
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Magistral Medium
Other models
Context & Performance
Context Window
Magistral Medium
N/A
tokens
GPT-5 Codex
400,000
tokens
Speed Performance
| Metric | Magistral Medium | GPT-5 Codex | Winner |
|---|---|---|---|
| Tokens/second | 0.0 tok/s | 182.4 tok/s | |
| Time to First Token | 0.00s | 6.83s |
GPT-5 Codex responds Infinity% faster on average.
Capabilities
Feature Comparison
| Feature | Magistral Medium | GPT-5 Codex |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Magistral Medium | GPT-5 Codex |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Mistral AI | OpenAI |
| Released | Unknown | Sep 2025 |
Magistral Medium Modalities
Input
Output
GPT-5 Codex Modalities
Input
textimage
Output
text