Pyyan / Compare / Atria Dawn Preview vs DeepSeek V4-Pro
Open-Weight Models · verified 16 Sept 2026
| Specification | Atria Dawn Preview | DeepSeek V4-Pro |
|---|---|---|
| Summary | 744B agentic weights under the MIT licence, published without a launch. | Best all-round open model of 2026. |
| Context | 256K | — |
| Input ($/Mtok) | Not published | — |
| Output ($/Mtok) | Not published | — |
| Licence | MIT | MIT |
| Max output | Not published | — |
| Parameters | 744B total | — |
| Released | 14 Sep 2026 | — |
| Model ID | internlm/Atria-Dawn-Preview | — |
| Category | Open-Weight Models | Open-Weight Models |
| Official | Shanghai AI Laboratory ↗ | DeepSeek ↗ |
Highlighted rows are where these differ.
Best for agentic work on your own cluster.
Best for everything open.