Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 DeepSeek-V3.1DeepSeek |  Grok 4xAI |  o3OpenAI | |
|---|---|---|---|
| Vendor | DeepSeek | xAI | OpenAI |
| Family | DeepSeek | Grok | o-series |
| Release date | 2025-08-21 | 2025-07-09 | 2025-04-16 |
| Context window | 128,000 tokens | 256,000 tokens | 200,000 tokens |
| Parameters | 671B | — | — |
| Modality | text | text | text, vision |
| License | MIT | proprietary | proprietary |
| Source | open weights | proprietary | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — | Reasoning-focused model in the o-series. |
| Links |
