Updated March 26, 2026· Based on independent benchmark data
GPT-5.3 Codex (xhigh) leads in intelligence with a score of 54.0 vs 35.7. For speed, Nova 2.0 Pro Preview (medium) wins at 152 tok/s vs 72 tok/s.
| Metric | Nova 2.0 Pro Preview (medium) | GPT-5.3 Codex (xhigh) |
|---|---|---|
| Intelligence Score | 35.7 | 54.0 |
| Coding Score | 30.4 | 53.1 |
| Math Score | 89.0 | N/A |
| Speed (tok/s) | 152 tok/s | 72 tok/s |
| Latency (TTFT) | 11.82s | 83.91s |
| Input Price / 1M tokens | $1.25 | $1.75 |
| Output Price / 1M tokens | $10 | $14 |
| Context Window | N/A |
GPT-5.3 Codex (xhigh) outperforms Nova 2.0 Pro Preview (medium) on the intelligence index with a score of 54.0 compared to 35.7. For coding tasks, GPT-5.3 Codex (xhigh) has the edge with a coding score of 53.1 vs 30.4.
Nova 2.0 Pro Preview (medium) generates output significantly faster at 152 tok/s compared to GPT-5.3 Codex (xhigh)'s 72 tok/s, making it 2.1x faster for streaming responses. Time to first token is 11.82s for Nova 2.0 Pro Preview (medium) vs 83.91s for GPT-5.3 Codex (xhigh), which affects perceived responsiveness in interactive applications.
Nova 2.0 Pro Preview (medium) is more affordable at $1.25/1M input tokens ($10/1M 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, Nova 2.0 Pro Preview (medium) would cost approximately $7.50/month vs $10.50/month for GPT-5.3 Codex (xhigh) in input costs alone.
Choose Nova 2.0 Pro Preview (medium) when you need faster output (152 tok/s). Choose GPT-5.3 Codex (xhigh) when you need higher intelligence (54.0), stronger coding performance (53.1).
GPT-5.3 Codex (xhigh) scores higher on coding benchmarks (53.1 vs 30.4), making it the better choice for programming tasks.
Nova 2.0 Pro Preview (medium) is cheaper at $1.25/1M input tokens vs $1.75/1M for GPT-5.3 Codex (xhigh).
Nova 2.0 Pro Preview (medium) is faster, producing output at 152 tok/s compared to GPT-5.3 Codex (xhigh)'s 72 tok/s.
No, Nova 2.0 Pro Preview (medium) 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 Nova 2.0 Pro Preview (medium) may be better for specific use cases like budget-conscious projects or speed-critical applications.