Updated March 26, 2026· Based on independent benchmark data
GPT-5.3 Codex (xhigh) leads in intelligence with a score of 54.0 vs 49.2. MiMo-V2-Pro is 1.8x cheaper at $1.00/1M tokens vs $1.75/1M.
| Metric | GPT-5.3 Codex (xhigh) | MiMo-V2-Pro |
|---|---|---|
| Intelligence Score | 54.0 | 49.2 |
| Coding Score | 53.1 | 41.4 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 72 tok/s | 91 tok/s |
| Latency (TTFT) | 83.91s | 1.55s |
| Input Price / 1M tokens | $1.75 | $1.00 |
| Output Price / 1M tokens | $14 | $3.00 |
| Context Window | N/A |
GPT-5.3 Codex (xhigh) outperforms MiMo-V2-Pro on the intelligence index with a score of 54.0 compared to 49.2. For coding tasks, GPT-5.3 Codex (xhigh) has the edge with a coding score of 53.1 vs 41.4.
MiMo-V2-Pro generates output significantly faster at 91 tok/s compared to GPT-5.3 Codex (xhigh)'s 72 tok/s, making it 1.3x faster for streaming responses. Time to first token is 1.55s for MiMo-V2-Pro vs 83.91s for GPT-5.3 Codex (xhigh), which affects perceived responsiveness in interactive applications.
MiMo-V2-Pro is more affordable at $1.00/1M input tokens ($3.00/1M output), while GPT-5.3 Codex (xhigh) costs $1.75/1M input ($14/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, GPT-5.3 Codex (xhigh) would cost approximately $10.50/month vs $6.00/month for MiMo-V2-Pro in input costs alone.
Choose GPT-5.3 Codex (xhigh) when you need higher intelligence (54.0), stronger coding performance (53.1). Choose MiMo-V2-Pro when you need lower cost.
GPT-5.3 Codex (xhigh) scores higher on coding benchmarks (53.1 vs 41.4), making it the better choice for programming tasks.
MiMo-V2-Pro is cheaper at $1.00/1M input tokens vs $1.75/1M for GPT-5.3 Codex (xhigh).
MiMo-V2-Pro is faster, producing output at 91 tok/s compared to GPT-5.3 Codex (xhigh)'s 72 tok/s.
No, GPT-5.3 Codex (xhigh) does not support image input. Neither model supports image input.
Data last synced: March 26, 2026
| N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
It depends on your priorities. GPT-5.3 Codex (xhigh) scores higher on intelligence (54.0), but MiMo-V2-Pro may be better for specific use cases like budget-conscious projects or speed-critical applications.