Updated March 26, 2026· Based on independent benchmark data
Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 41.5. For speed, Gemini 3.1 Pro Preview wins at 113 tok/s vs 44 tok/s.
| Metric | Gemini 3.1 Pro Preview | Grok 4 |
|---|---|---|
| Intelligence Score | 57.2 | 41.5 |
| Coding Score | 55.5 | 40.5 |
| Math Score | N/A | 92.7 |
| Speed (tok/s) | 113 tok/s | 44 tok/s |
| Latency (TTFT) | 23.84s | 8.55s |
| Input Price / 1M tokens | $2.00 | $3.00 |
| Output Price / 1M tokens | $12 | $15 |
| Context Window | 1.0M |
Gemini 3.1 Pro Preview outperforms Grok 4 on the intelligence index with a score of 57.2 compared to 41.5. For coding tasks, Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 40.5.
Gemini 3.1 Pro Preview generates output significantly faster at 113 tok/s compared to Grok 4's 44 tok/s, making it 2.6x faster for streaming responses. Time to first token is 8.55s for Grok 4 vs 23.84s for Gemini 3.1 Pro Preview, 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 Grok 4 costs $3.00/1M input ($15/1M output). 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 $18.00/month for Grok 4 in input costs alone.
Gemini 3.1 Pro Preview offers a larger context window at 1.0M tokens compared to Grok 4's 256K. This means Gemini 3.1 Pro Preview can process roughly 524 pages of text in a single request vs 128 pages for Grok 4.
Choose Gemini 3.1 Pro Preview when you need higher intelligence (57.2), stronger coding performance (55.5), faster output (113 tok/s), larger context window (1.0M).
Gemini 3.1 Pro Preview scores higher on coding benchmarks (55.5 vs 40.5), making it the better choice for programming tasks.
Gemini 3.1 Pro Preview is cheaper at $2.00/1M input tokens vs $3.00/1M for Grok 4.
Gemini 3.1 Pro Preview is faster, producing output at 113 tok/s compared to Grok 4's 44 tok/s.
Yes, Gemini 3.1 Pro Preview supports image input. Grok 4 also supports images.
Data last synced: March 26, 2026
| 256K |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Audio + File + Image + Text + Video | Image + Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Gemini 3.1 Pro Preview has a larger context window at 1.0M compared to Grok 4's 256K.
It depends on your priorities. Gemini 3.1 Pro Preview scores higher on intelligence (57.2), but Grok 4 may be better for specific use cases like budget-conscious projects or speed-critical applications.