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 SolQwen3.5 Plus 2026-02-15
| GPT-5.6 Sol OpenAI | Qwen3.5 Plus 2026-02-15 Alibaba (Qwen) | |
|---|---|---|
| Pricing | ||
| Input $/1M | $5.00 | $0.26 |
| Output $/1M | $30.00 | $1.56 |
| Blended $/1M (3:1) | $11.25 | $0.585 |
| Cache read $/1M | $0.50 | — |
| Cache write $/1M | $6.25 | — |
| Quality indices | ||
| Intelligence Index | 58.9 | — |
| Coding Index | 77.4 | — |
| Math Index | — | — |
| Agentic Index | 54 | — |
| Speed & latency | ||
| Output speed (tok/s) | 67 | — |
| Time to first token | 120.38s | — |
| Time to first answer token | 120.38s | — |
| Benchmarks (Artificial Analysis) | ||
| GPQA Diamond | 94.1% | — |
| Humanity's Last Exam | 47.2% | — |
| SciCode | 56.1% | — |
| IFBench | 72.7% | — |
| AA-LCR (Long Context Reasoning) | 73.7% | — |
| Terminal-Bench Hard | 65.9% | — |
| Terminal-Bench 2.1 | 88.0% | — |
| τ²-Bench (Telecom) | 85.1% | — |
| τ³-Bench Banking | 33.0% | — |
| Design Arena (Elo) | ||
| Website | — | 1,215 |
| UI components | — | 1,219 |
| Data viz | — | 1,171 |
| SVG | — | 1,154 |
| 3D | — | 1,178 |
| Game dev | — | 1,164 |
| Code categories | — | 1,200 |
| ASCII art | — | 1,136 |
| Specs | ||
| Context window | 1.05M | 1M |
| Max output tokens | 128K | 66K |
| Input modalities | file, image, text | text, image, video |
| Tokenizer | GPT | Qwen3 |