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.
Mercury 2GPT-5.6 Sol
| Mercury 2 Inception | GPT-5.6 Sol OpenAI | |
|---|---|---|
| Pricing | ||
| Input $/1M | $0.25 | $5.00 |
| Output $/1M | $0.75 | $30.00 |
| Blended $/1M (3:1) | $0.375 | $11.25 |
| Cache read $/1M | $0.025 | $0.50 |
| Cache write $/1M | — | $6.25 |
| Quality indices | ||
| Intelligence Index | 21.4 | 58.9 |
| Coding Index | 31.1 | 77.4 |
| Math Index | — | — |
| Agentic Index | 9.6 | 54 |
| Speed & latency | ||
| Output speed (tok/s) | 1045 | 70 |
| Time to first token | 3.40s | 112.90s |
| Time to first answer token | 3.40s | 112.90s |
| Benchmarks (Artificial Analysis) | ||
| GPQA Diamond | 77.0% | 94.1% |
| Humanity's Last Exam | 15.5% | 47.2% |
| SciCode | 38.7% | 56.1% |
| IFBench | 69.8% | 72.7% |
| AA-LCR (Long Context Reasoning) | 36.3% | 73.7% |
| Terminal-Bench Hard | 26.5% | 65.9% |
| Terminal-Bench 2.1 | 27.3% | 88.0% |
| τ²-Bench (Telecom) | 70.8% | 85.1% |
| τ³-Bench Banking | 9.9% | 33.0% |
| Design Arena (Elo) | ||
| Website | 1,014 | — |
| UI components | 1,013 | — |
| Data viz | 1,011 | — |
| SVG | 1,024 | — |
| 3D | 1,043 | — |
| Game dev | 1,036 | — |
| Code categories | 1,025 | — |
| ASCII art | 1,046 | — |
| Specs | ||
| Context window | 128K | 1.05M |
| Max output tokens | 50K | 128K |
| Input modalities | text | file, image, text |
| Tokenizer | Other | GPT |