Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 Claude 4.6 SonnetAnthropic |  DeepSeek-V3.1DeepSeek |  o3OpenAI | |
|---|---|---|---|
| Vendor | Anthropic | DeepSeek | OpenAI |
| Family | Claude | DeepSeek | o-series |
| Release date | — | 2025-08-21 | 2025-04-16 |
| Context window | 200,000 tokens | 128,000 tokens | 200,000 tokens |
| Parameters | — | 671B | — |
| Modality | text, vision | text | text, vision |
| License | proprietary | MIT | proprietary |
| Source | proprietary | open weights | proprietary |
| Description | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. | Reasoning-focused model in the o-series. |
| Links |
