Updated March 26, 2026· Based on independent benchmark data
GPT-5.3 Codex (xhigh) leads in intelligence with a score of 54.0 vs 22.9. GPT-4.1 mini is 4.4x cheaper at $0.40/1M tokens vs $1.75/1M.
| Metric | GPT-4.1 mini | GPT-5.3 Codex (xhigh) |
|---|---|---|
| Intelligence Score | 22.9 | 54.0 |
| Coding Score | 18.5 | 53.1 |
| Math Score | 46.3 | N/A |
| Speed (tok/s) | 70 tok/s | 72 tok/s |
| Latency (TTFT) | 0.54s | 83.91s |
| Input Price / 1M tokens | $0.40 | $1.75 |
| Output Price / 1M tokens | $1.60 | $14 |
| Context Window | 1.0M |
GPT-5.3 Codex (xhigh) outperforms GPT-4.1 mini on the intelligence index with a score of 54.0 compared to 22.9. For coding tasks, GPT-5.3 Codex (xhigh) has the edge with a coding score of 53.1 vs 18.5.
Both models deliver similar output speeds: GPT-4.1 mini at 70 tok/s and GPT-5.3 Codex (xhigh) at 72 tok/s. Time to first token is 0.54s for GPT-4.1 mini vs 83.91s for GPT-5.3 Codex (xhigh), which affects perceived responsiveness in interactive applications.
GPT-4.1 mini is more affordable at $0.40/1M input tokens ($1.60/1M output), while GPT-5.3 Codex (xhigh) costs $1.75/1M input ($14/1M output). That makes GPT-5.3 Codex (xhigh) 4.4x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, GPT-4.1 mini would cost approximately $2.40/month vs $10.50/month for GPT-5.3 Codex (xhigh) in input costs alone.
Choose GPT-4.1 mini when you need lower cost. 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 18.5), making it the better choice for programming tasks.
GPT-4.1 mini is cheaper at $0.40/1M input tokens vs $1.75/1M for GPT-5.3 Codex (xhigh).
GPT-5.3 Codex (xhigh) is faster, producing output at 72 tok/s compared to GPT-4.1 mini's 70 tok/s.
Yes, GPT-4.1 mini supports image input. GPT-5.3 Codex (xhigh) does not support image input.
Data last synced: March 26, 2026
| N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Image + Text + File | 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 GPT-4.1 mini may be better for specific use cases like budget-conscious projects or speed-critical applications.