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 DeepSeek-V4-ProDeepSeek | DeepSeek-V4-Flash DeepSeek |  Qwen3.6-27BAlibaba | DeepSeek-R1 DeepSeek | |
|---|---|---|---|---|
| Vendor | DeepSeek | DeepSeek | Alibaba | DeepSeek |
| Family | DeepSeek | DeepSeek | Qwen | DeepSeek |
| Release date | 2026-04-22 | 2026-04-22 | 2026-04-22 | 2025-01-20 |
| Context window | 1,000,000 tokens | 1,000,000 tokens | 262,144 tokens | 128,000 tokens |
| Parameters | 1.6T (49B active) | 284B (13B active) | 27B (dense) | 671B |
| Modality | text | text | text, vision, video | text |
| License | MIT | MIT | Apache-2.0 | MIT |
| Source | open weights | open weights | open weights | open weights |
| 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. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | Alibaba's first dense open-weight in the 3.6 family. Strong agentic-coding scores (77.2 SWE-bench Verified, matching Claude 4.5 Opus on Terminal-Bench 2.0). Supports 201 languages and multimodal text/image/video input. | Reasoning-focused open-weight model. |
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