Updated March 26, 2026· Based on independent benchmark data
GPT-5.4 (xhigh) leads in intelligence with a score of 57.2 vs 19.5. For speed, Devstral Small 2 wins at 193 tok/s vs 77 tok/s.
| Metric | Devstral Small 2 | GPT-5.4 (xhigh) |
|---|---|---|
| Intelligence Score | 19.5 | 57.2 |
| Coding Score | 20.7 | 57.3 |
| Math Score | 34.3 | N/A |
| Speed (tok/s) | 193 tok/s | 77 tok/s |
| Latency (TTFT) | 0.34s | 181.82s |
| Input Price / 1M tokens | Free | $2.50 |
| Output Price / 1M tokens | Free | $15 |
| Context Window | N/A | N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Text |
GPT-5.4 (xhigh) outperforms Devstral Small 2 on the intelligence index with a score of 57.2 compared to 19.5. For coding tasks, GPT-5.4 (xhigh) has the edge with a coding score of 57.3 vs 20.7.
Devstral Small 2 generates output significantly faster at 193 tok/s compared to GPT-5.4 (xhigh)'s 77 tok/s, making it 2.5x faster for streaming responses. Time to first token is 0.34s for Devstral Small 2 vs 181.82s for GPT-5.4 (xhigh), which affects perceived responsiveness in interactive applications.
Devstral Small 2 is completely free, while GPT-5.4 (xhigh) costs $2.50/1M input tokens and $15/1M output tokens.
Choose Devstral Small 2 when you need faster output (193 tok/s). Choose GPT-5.4 (xhigh) when you need higher intelligence (57.2), stronger coding performance (57.3).
GPT-5.4 (xhigh) scores higher on coding benchmarks (57.3 vs 20.7), making it the better choice for programming tasks.
Devstral Small 2 is faster, producing output at 193 tok/s compared to GPT-5.4 (xhigh)'s 77 tok/s.
No, Devstral Small 2 does not support image input. Neither model supports image input.
It depends on your priorities. GPT-5.4 (xhigh) scores higher on intelligence (57.2), but Devstral Small 2 may be better for specific use cases like cost savings or speed-critical applications.
Data last synced: March 26, 2026
| Output Modalities | Text | Text |
| Free Tier | Yes | No |