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 DeepSeek-V4-ProDeepSeek | DeepSeek-V3.1 DeepSeek |  Grok 4xAI | DeepSeek-R1 DeepSeek | |
|---|---|---|---|---|
| Vendor | DeepSeek | DeepSeek | xAI | DeepSeek |
| Family | DeepSeek | DeepSeek | Grok | DeepSeek |
| Release date | 2026-04-22 | 2025-08-21 | 2025-07-09 | 2025-01-20 |
| Context window | 1,000,000 tokens | 128,000 tokens | 256,000 tokens | 128,000 tokens |
| Parameters | 1.6T (49B active) | 671B | — | 671B |
| Modality | text | text | text | text |
| License | MIT | MIT | proprietary | MIT |
| Source | open weights | open weights | proprietary | 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. | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — | Reasoning-focused open-weight model. |
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Gemini 2.5 Flashmax
Claude 4.6 Sonnetmax
GPT-5.5maxDeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-Pro✓Claude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5maxGrok 4✓Qwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1✓
Mistral Large 2maxMax 4 models. Remove one to add another.