Updated March 26, 2026· Based on independent benchmark data
Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 48.1. GPT-5.4 mini (xhigh) is 2.7x cheaper at $0.75/1M tokens vs $2.00/1M. For speed, GPT-5.4 mini (xhigh) wins at 218 tok/s vs 113 tok/s.
| Metric | Gemini 3.1 Pro Preview | GPT-5.4 mini (xhigh) |
|---|---|---|
| Intelligence Score | 57.2 | 48.1 |
| Coding Score | 55.5 | 51.5 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 113 tok/s | 218 tok/s |
| Latency (TTFT) | 23.84s | 7.45s |
| Input Price / 1M tokens | $2.00 | $0.75 |
| Output Price / 1M tokens | $12 | $4.50 |
| Context Window | 1.0M |
Gemini 3.1 Pro Preview outperforms GPT-5.4 mini (xhigh) on the intelligence index with a score of 57.2 compared to 48.1. For coding tasks, Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 51.5.
GPT-5.4 mini (xhigh) generates output significantly faster at 218 tok/s compared to Gemini 3.1 Pro Preview's 113 tok/s, making it 1.9x faster for streaming responses. Time to first token is 7.45s for GPT-5.4 mini (xhigh) vs 23.84s for Gemini 3.1 Pro Preview, which affects perceived responsiveness in interactive applications.
GPT-5.4 mini (xhigh) is more affordable at $0.75/1M input tokens ($4.50/1M output), while Gemini 3.1 Pro Preview costs $2.00/1M input ($12/1M output). That makes Gemini 3.1 Pro Preview 2.7x 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, Gemini 3.1 Pro Preview would cost approximately $12.00/month vs $4.50/month for GPT-5.4 mini (xhigh) in input costs alone.
Choose Gemini 3.1 Pro Preview when you need higher intelligence (57.2), stronger coding performance (55.5). Choose GPT-5.4 mini (xhigh) when you need faster output (218 tok/s), lower cost.
Gemini 3.1 Pro Preview scores higher on coding benchmarks (55.5 vs 51.5), making it the better choice for programming tasks.
GPT-5.4 mini (xhigh) is cheaper at $0.75/1M input tokens vs $2.00/1M for Gemini 3.1 Pro Preview.
GPT-5.4 mini (xhigh) is faster, producing output at 218 tok/s compared to Gemini 3.1 Pro Preview's 113 tok/s.
Yes, Gemini 3.1 Pro Preview supports image input. GPT-5.4 mini (xhigh) does not support image input.
Data last synced: March 26, 2026
| N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Audio + File + Image + Text + Video | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
It depends on your priorities. Gemini 3.1 Pro Preview scores higher on intelligence (57.2), but GPT-5.4 mini (xhigh) may be better for specific use cases like budget-conscious projects or speed-critical applications.