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.
GPT-5.6 SolGrok 4.5
| GPT-5.6 Sol OpenAI | Grok 4.5 xAI | |
|---|---|---|
| Pricing | ||
| Input $/1M | $5.00 | $2.00 |
| Output $/1M | $30.00 | $6.00 |
| Blended $/1M (3:1) | $11.25 | $3.00 |
| Cache read $/1M | $0.50 | $0.30 |
| Cache write $/1M | $6.25 | — |
| Quality indices | ||
| Intelligence Index | 58.9 | 53.8 |
| Coding Index | 77.4 | 72.4 |
| Math Index | — | — |
| Agentic Index | 54 | 45.7 |
| Speed & latency | ||
| Output speed (tok/s) | 67 | 73 |
| Time to first token | 120.38s | 9.69s |
| Time to first answer token | 120.38s | 9.69s |
| Benchmarks (Artificial Analysis) | ||
| GPQA Diamond | 94.1% | 93.1% |
| Humanity's Last Exam | 47.2% | 40.3% |
| SciCode | 56.1% | 54.1% |
| IFBench | 72.7% | — |
| AA-LCR (Long Context Reasoning) | 73.7% | 67.7% |
| Terminal-Bench Hard | 65.9% | — |
| Terminal-Bench 2.1 | 88.0% | 81.6% |
| τ²-Bench (Telecom) | 85.1% | — |
| τ³-Bench Banking | 33.0% | 32.6% |
| Design Arena (Elo) | ||
| Website | — | 1,323 |
| Web apps | — | 1,270 |
| Full-stack | — | 1,302 |
| Android native | — | 1,263 |
| UI components | — | 1,331 |
| Data viz | — | 1,302 |
| 3D | — | 1,329 |
| Game dev | — | 1,330 |
| Agentic game dev | — | 1,227 |
| Godot game dev | — | 1,297 |
| HTML slides | — | 1,240 |
| Python→PPTX slides | — | 1,230 |
| Code categories | — | 1,323 |
| Specs | ||
| Context window | 1.05M | 500K |
| Max output tokens | 128K | — |
| Input modalities | file, image, text | text, image, file |
| Tokenizer | GPT | Grok |