Devstral 2 vs GPT-5.4
Devstral 2 leads in 3 of 8 categories
Arena ELO
GPT-5.4
Cheaper
Devstral 2
Faster
Devstral 2
Detailed Comparison
| Category | Devstral 2 | GPT-5.4 |
|---|---|---|
| Provider | Mistral | OpenAI |
| Context Window | 256K | 1M WIN |
| Input Price ($/1M) | $0.05 WIN | $3 |
| Output Price ($/1M) | $0.22 WIN | $15 |
| Arena ELO | N/A | 1560 WIN |
| Coding | unknown | unknown |
| Reasoning | unknown | unknown |
| Speed (tokens/sec) | ~100 t/s WIN | ~50 t/s |
| Open Source | Yes | No |
Frequently Asked Questions
Which is cheaper, Devstral 2 or GPT-5.4?
Devstral 2 is approximately 99% cheaper than GPT-5.4 per million tokens.
Which is better for coding, Devstral 2 or GPT-5.4?
Devstral 2 scores unknown on coding benchmarks, while GPT-5.4 scores unknown.
Which has a larger context window?
Devstral 2 supports 256K context, while GPT-5.4 supports 1M.
Is Devstral 2 or GPT-5.4 open source?
Devstral 2 is open source. GPT-5.4 is proprietary.
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