Updated March 26, 2026· Based on independent benchmark data
Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 48.4.
| Metric | Gemini 3 Pro Preview (high) | Gemini 3.1 Pro Preview |
|---|---|---|
| Intelligence Score | 48.4 | 57.2 |
| Coding Score | 46.5 | 55.5 |
| Math Score | 95.7 | N/A |
| Speed (tok/s) | 115 tok/s | 113 tok/s |
| Latency (TTFT) | 36.25s | 23.84s |
| Input Price / 1M tokens | $2.00 | $2.00 |
| Output Price / 1M tokens | $12 | $12 |
| Context Window | N/A |
Gemini 3.1 Pro Preview outperforms Gemini 3 Pro Preview (high) on the intelligence index with a score of 57.2 compared to 48.4. For coding tasks, Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 46.5.
Both models deliver similar output speeds: Gemini 3 Pro Preview (high) at 115 tok/s and Gemini 3.1 Pro Preview at 113 tok/s. Time to first token is 23.84s for Gemini 3.1 Pro Preview vs 36.25s for Gemini 3 Pro Preview (high), which affects perceived responsiveness in interactive applications.
Gemini 3.1 Pro Preview is more affordable at $2.00/1M input tokens ($12/1M output), while Gemini 3 Pro Preview (high) costs $2.00/1M input ($12/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, Gemini 3 Pro Preview (high) would cost approximately $12.00/month vs $12.00/month for Gemini 3.1 Pro Preview in input costs alone.
Choose Gemini 3.1 Pro Preview when you need higher intelligence (57.2), stronger coding performance (55.5).
Gemini 3.1 Pro Preview scores higher on coding benchmarks (55.5 vs 46.5), making it the better choice for programming tasks.
Gemini 3.1 Pro Preview is cheaper at $2.00/1M input tokens vs $2.00/1M for Gemini 3 Pro Preview (high).
Gemini 3 Pro Preview (high) is faster, producing output at 115 tok/s compared to Gemini 3.1 Pro Preview's 113 tok/s.
No, Gemini 3 Pro Preview (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 Gemini 3 Pro Preview (high) may be better for specific use cases like budget-conscious projects or speed-critical applications.