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 DeepSeek-R1DeepSeek | DeepSeek-V4-Pro DeepSeek |  Gemini 2.5 Pro | Gemini 3 Pro | |
|---|---|---|---|---|
| Vendor | DeepSeek | DeepSeek | ||
| Family | DeepSeek | DeepSeek | Gemini | Gemini |
| Release date | 2025-01-20 | 2026-04-22 | 2025-03-25 | 2026-04-22 |
| Context window | 128,000 tokens | 1,000,000 tokens | 2,000,000 tokens | 2,000,000 tokens |
| Parameters | 671B | 1.6T (49B active) | — | — |
| Modality | text | text | text, vision, audio, video | text, vision, audio, video |
| License | MIT | MIT | proprietary | proprietary |
| Source | open weights | open weights | proprietary | proprietary |
| Description | Reasoning-focused open-weight model. | 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. | Predecessor to Gemini 3 Pro. | Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers. |
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