⚖️ Compare models
Side-by-side specs, arena Elo, and cheapest prices for up to 4 models. Best value in each row is highlighted.
| Spec | GPT-5.5 Pro✕ | Claude Opus 4.6✕ |
|---|---|---|
| Organization | openai | anthropic |
| Use case | chat | chat |
| Capabilities | vision, chat | vision, chat |
| Access | API access | API access |
| Text Arena Elo | — | 1497 |
| Cheapest input $/M | $30.00 | $5.00 |
| Cheapest output $/M | $180.00 | $25.00 |
| Context window | 1050K | 1000K |
| Parameters | — | — |
| HF downloads | — | — |
| 7d news mentions | — | 1 |