Updated March 26, 2026· Based on independent benchmark data
GPT-5.3 Codex (xhigh) leads in intelligence with a score of 54.0 vs 9.0. GPT-5.3 Codex (xhigh) is 1.6x cheaper at $1.75/1M tokens vs $2.75/1M.
| Metric | Mistral Medium | GPT-5.3 Codex (xhigh) |
|---|---|---|
| Intelligence Score | 9.0 | 54.0 |
| Coding Score | N/A | 53.1 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 73 tok/s | 72 tok/s |
| Latency (TTFT) | 0.40s | 83.91s |
| Input Price / 1M tokens | $2.75 | $1.75 |
| Output Price / 1M tokens | $8.10 | $14 |
| Context Window | N/A | N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Text |
GPT-5.3 Codex (xhigh) outperforms Mistral Medium on the intelligence index with a score of 54.0 compared to 9.0.
Both models deliver similar output speeds: Mistral Medium at 73 tok/s and GPT-5.3 Codex (xhigh) at 72 tok/s. Time to first token is 0.40s for Mistral Medium vs 83.91s for GPT-5.3 Codex (xhigh), which affects perceived responsiveness in interactive applications.
GPT-5.3 Codex (xhigh) is more affordable at $1.75/1M input tokens ($14/1M output), while Mistral Medium costs $2.75/1M input ($8.10/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, Mistral Medium would cost approximately $16.50/month vs $10.50/month for GPT-5.3 Codex (xhigh) in input costs alone.
Choose GPT-5.3 Codex (xhigh) when you need higher intelligence (54.0), lower cost.
GPT-5.3 Codex (xhigh) is cheaper at $1.75/1M input tokens vs $2.75/1M for Mistral Medium.
Mistral Medium is faster, producing output at 73 tok/s compared to GPT-5.3 Codex (xhigh)'s 72 tok/s.
No, Mistral Medium does not support image input. Neither model supports image input.
It depends on your priorities. GPT-5.3 Codex (xhigh) scores higher on intelligence (54.0), but Mistral Medium may be better for specific use cases like budget-conscious projects or speed-critical applications.
Data last synced: March 26, 2026
| Output Modalities |
| Text |
| Text |
| Free Tier | No | No |