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 DeepSeek-V4-ProDeepSeek |  GPT-5OpenAI | GPT-4.1 OpenAI |  Gemini 2.5 Pro | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | OpenAI | |
| Family | DeepSeek | GPT | GPT | Gemini |
| Release date | 2026-04-22 | 2025-08-07 | 2025-04-14 | 2025-03-25 |
| Context window | 1,000,000 tokens | 400,000 tokens | 1,000,000 tokens | 2,000,000 tokens |
| Parameters | 1.6T (49B active) | — | — | — |
| Modality | text | text, vision, audio | text, vision | text, vision, audio, video |
| License | MIT | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | — | Predecessor to Gemini 3 Pro. |
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Mistral Large 2maxMax 4 models. Remove one to add another.