Updated March 26, 2026· Based on independent benchmark data
Gemini 3 Pro Preview (high) and GPT-5.1 (high) are virtually tied on intelligence (48.4 vs 47.7). GPT-5.1 (high) is 1.6x cheaper at $1.25/1M tokens vs $2.00/1M.
| Metric | Gemini 3 Pro Preview (high) | GPT-5.1 (high) |
|---|---|---|
| Intelligence Score | 48.4 | 47.7 |
| Coding Score | 46.5 | 44.7 |
| Math Score | 95.7 | 94.0 |
| Speed (tok/s) | 115 tok/s | 92 tok/s |
| Latency (TTFT) | 36.25s | 39.04s |
| Input Price / 1M tokens | $2.00 | $1.25 |
| Output Price / 1M tokens | $12 | $10 |
| Context Window | N/A |
Gemini 3 Pro Preview (high) and GPT-5.1 (high) perform similarly on overall intelligence, scoring 48.4 and 47.7 respectively. Their coding capabilities are closely matched (46.5 vs 44.7). Both models show similar math performance (95.7 vs 94.0).
Gemini 3 Pro Preview (high) generates output significantly faster at 115 tok/s compared to GPT-5.1 (high)'s 92 tok/s, making it 1.3x faster for streaming responses. Time to first token is 36.25s for Gemini 3 Pro Preview (high) vs 39.04s for GPT-5.1 (high), which affects perceived responsiveness in interactive applications.
GPT-5.1 (high) is more affordable at $1.25/1M input tokens ($10/1M 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 $7.50/month for GPT-5.1 (high) in input costs alone.
Choose GPT-5.1 (high) when you need lower cost.
Gemini 3 Pro Preview (high) scores higher on coding benchmarks (46.5 vs 44.7), making it the better choice for programming tasks.
GPT-5.1 (high) is cheaper at $1.25/1M 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 GPT-5.1 (high)'s 92 tok/s.
No, Gemini 3 Pro Preview (high) does not support image input. Neither model supports image input.
Data last synced: March 26, 2026
| N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Both models perform similarly on intelligence benchmarks. Choose based on specific needs: pricing, speed, context window, or provider ecosystem.