⚖️ Compare models
Side-by-side specs, arena Elo, and cheapest prices for up to 4 models. Best value in each row is highlighted.
| Spec | GLM 5.3✕ | Claude Opus 4.6✕ |
|---|---|---|
| Organization | z-ai | anthropic |
| Use case | chat | chat |
| Capabilities | chat | vision, chat |
| Access | Open weights (restricted use) | API access |
| Text Arena Elo | — | 1497 |
| Cheapest input $/M | $0.0390 | $5.00 |
| Cheapest output $/M | $0.75 | $25.00 |
| Context window | 1049K | 1000K |
| Parameters | 744B | — |
| HF downloads | — | — |
| 7d news mentions | 3 | 2 |