Compare models
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 DeepSeek-V3.1DeepSeek |  GPT-4.1OpenAI |  Gemini 2.5 Flash | |
|---|---|---|---|
| Vendor | DeepSeek | OpenAI | |
| Family | DeepSeek | GPT | Gemini |
| Release date | 2025-08-21 | 2025-04-14 | — |
| Context window | 128,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | 671B | — | — |
| Modality | text | text, vision | text, vision, audio |
| License | MIT | proprietary | proprietary |
| Source | open weights | proprietary | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — | — |
| Links |
