Updated March 26, 2026· Based on independent benchmark data
Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 41.2. GPT-5 mini (high) is 8.0x cheaper at $0.25/1M tokens vs $2.00/1M. For speed, Gemini 3.1 Pro Preview wins at 113 tok/s vs 76 tok/s.
| Metric | GPT-5 mini (high) | Gemini 3.1 Pro Preview |
|---|---|---|
| Intelligence Score | 41.2 | 57.2 |
| Coding Score | 35.3 | 55.5 |
| Math Score | 90.7 | N/A |
| Speed (tok/s) | 76 tok/s | 113 tok/s |
| Latency (TTFT) | 112.29s | 23.84s |
| Input Price / 1M tokens | $0.25 | $2.00 |
| Output Price / 1M tokens | $2.00 | $12 |
| Context Window | N/A |
Gemini 3.1 Pro Preview outperforms GPT-5 mini (high) on the intelligence index with a score of 57.2 compared to 41.2. For coding tasks, Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 35.3.
Gemini 3.1 Pro Preview generates output significantly faster at 113 tok/s compared to GPT-5 mini (high)'s 76 tok/s, making it 1.5x faster for streaming responses. Time to first token is 23.84s for Gemini 3.1 Pro Preview vs 112.29s for GPT-5 mini (high), which affects perceived responsiveness in interactive applications.
GPT-5 mini (high) is more affordable at $0.25/1M input tokens ($2.00/1M output), while Gemini 3.1 Pro Preview costs $2.00/1M input ($12/1M output). That makes Gemini 3.1 Pro Preview 8.0x 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-5 mini (high) would cost approximately $1.50/month vs $12.00/month for Gemini 3.1 Pro Preview in input costs alone.
Choose GPT-5 mini (high) when you need lower cost. Choose Gemini 3.1 Pro Preview when you need higher intelligence (57.2), stronger coding performance (55.5), faster output (113 tok/s).
Gemini 3.1 Pro Preview scores higher on coding benchmarks (55.5 vs 35.3), making it the better choice for programming tasks.
GPT-5 mini (high) is cheaper at $0.25/1M input tokens vs $2.00/1M for Gemini 3.1 Pro Preview.
Gemini 3.1 Pro Preview is faster, producing output at 113 tok/s compared to GPT-5 mini (high)'s 76 tok/s.
No, GPT-5 mini (high) does not support image input. However, Gemini 3.1 Pro Preview does support images.
Data last synced: March 26, 2026
| 1.0M |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Audio + File + Image + Text + Video |
| 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 mini (high) may be better for specific use cases like budget-conscious projects or speed-critical applications.