Compare models
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 DeepSeek-R1DeepSeek |  GPT-4.1OpenAI | DeepSeek-V3.1 DeepSeek | |
|---|---|---|---|
| Vendor | DeepSeek | OpenAI | DeepSeek |
| Family | DeepSeek | GPT | DeepSeek |
| Release date | 2025-01-20 | 2025-04-14 | 2025-08-21 |
| Context window | 128,000 tokens | 1,000,000 tokens | 128,000 tokens |
| Parameters | 671B | — | 671B |
| Modality | text | text, vision | text |
| License | MIT | proprietary | MIT |
| Source | open weights | proprietary | open weights |
| Description | Reasoning-focused open-weight model. | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. |
| Links |
