Compare models
Pick up to 4 models for a side-by-side spec sheet. Hover any dotted metric name for what the test measures. Best value in each row is highlighted.
Gemini 3.1 Pro PreviewGPT-5.6 Sol
| Gemini 3.1 Pro Preview | GPT-5.6 Sol OpenAI | |
|---|---|---|
| Pricing | ||
| Input $/1M | $2.00 | $5.00 |
| Output $/1M | $12.00 | $30.00 |
| Blended $/1M (3:1) | $4.50 | $11.25 |
| Cache read $/1M | $0.20 | $0.50 |
| Cache write $/1M | $0.375 | $6.25 |
| Quality indices | ||
| Intelligence Index | 46.5 | 58.9 |
| Coding Index | 68.8 | 77.4 |
| Math Index | — | — |
| Agentic Index | 21.4 | 54 |
| Speed & latency | ||
| Output speed (tok/s) | 135 | 67 |
| Time to first token | 19.70s | 120.38s |
| Time to first answer token | 19.70s | 120.38s |
| Benchmarks (Artificial Analysis) | ||
| GPQA Diamond | 94.1% | 94.1% |
| Humanity's Last Exam | 44.7% | 47.2% |
| SciCode | 58.9% | 56.1% |
| IFBench | 77.1% | 72.7% |
| AA-LCR (Long Context Reasoning) | 72.7% | 73.7% |
| Terminal-Bench Hard | 53.8% | 65.9% |
| Terminal-Bench 2.1 | 73.8% | 88.0% |
| τ²-Bench (Telecom) | 95.6% | 85.1% |
| τ³-Bench Banking | 16.5% | 33.0% |
| Design Arena (Elo) | ||
| Website | 1,278 | — |
| Web apps | 1,182 | — |
| Full-stack | 1,127 | — |
| Mobile apps | 1,167 | — |
| Android native | 1,038 | — |
| UI components | 1,309 | — |
| Data viz | 1,262 | — |
| SVG | 1,334 | — |
| 3D | 1,291 | — |
| Game dev | 1,258 | — |
| Agentic game dev | 1,128 | — |
| Godot game dev | 1,159 | — |
| HTML slides | 1,202 | — |
| PPTX slides | 1,110 | — |
| Python→PPTX slides | 1,109 | — |
| Agentic slides | 1,112 | — |
| Agentic HTML slides | 1,226 | — |
| Agentic slides (HTML) | 1,219 | — |
| Agentic slides (Python PPTX) | 1,107 | — |
| Code categories | 1,274 | — |
| ASCII art | 1,312 | — |
| Specs | ||
| Context window | 1.05M | 1.05M |
| Max output tokens | 66K | 128K |
| Input modalities | audio, file, image, text, video | file, image, text |
| Tokenizer | Gemini | GPT |