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.
Claude Sonnet 4.6 (batch)GPT-5.6 Sol
| Claude Sonnet 4.6 (batch) Anthropic | GPT-5.6 Sol OpenAI | |
|---|---|---|
| Pricing | ||
| Input $/1M | $1.50 | $2.00 |
| Output $/1M | $7.50 | $10.00 |
| Blended $/1M (3:1) | $3.00 | $4.00 |
| Cache read $/1M | $0.15 | $0.20 |
| Cache write $/1M | $1.88 | $2.50 |
| Quality indices | ||
| Intelligence Index | 24.7 | 47 |
| Coding Index | 63 | 77.4 |
| Math Index | — | — |
| Agentic Index | 31.8 | 50.2 |
| Speed & latency | ||
| Output speed (tok/s) | 0 | 65 |
| Time to first token | 0s | 64.46s |
| Time to first answer token | 0s | 64.46s |
| Benchmarks (Artificial Analysis) | ||
| GPQA Diamond | 79.9% | 94.1% |
| Humanity's Last Exam | 13.3% | 49.5% |
| SciCode | — | 57.1% |
| IFBench | 41.2% | 72.7% |
| AA-LCR (Long Context Reasoning) | 68.3% | 84.0% |
| Terminal-Bench Hard | 46.2% | 65.9% |
| Terminal-Bench 2.1 | — | 88.0% |
| τ²-Bench (Telecom) | 79.5% | 85.1% |
| τ³-Bench Banking | — | 44.3% |
| Design Arena (Elo) | ||
| Website | 1,297 | — |
| Web apps | 1,205 | — |
| Full-stack | 1,223 | — |
| Mobile apps | 1,241 | — |
| Android native | 1,210 | — |
| UI components | 1,287 | — |
| Data viz | 1,294 | — |
| SVG | 1,220 | — |
| 3D | 1,263 | — |
| Game dev | 1,283 | — |
| Agentic game dev | 1,177 | — |
| Godot game dev | 1,226 | — |
| Code categories | 1,291 | — |
| ASCII art | 1,252 | — |
| Specs | ||
| Context window | 1M | 1.05M |
| Max output tokens | 128K | 128K |
| Input modalities | text, image, file | file, image, text |
| Tokenizer | Claude | GPT |