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 Grok 4xAI |  DeepSeek-V4-ProDeepSeek |  Gemini 3 Pro |  o3OpenAI | |
|---|---|---|---|---|
| Vendor | xAI | DeepSeek | OpenAI | |
| Family | Grok | DeepSeek | Gemini | o-series |
| Release date | 2025-07-09 | 2026-04-22 | 2026-04-22 | 2025-04-16 |
| Context window | 256,000 tokens | 1,000,000 tokens | 2,000,000 tokens | 200,000 tokens |
| Parameters | — | 1.6T (49B active) | — | — |
| Modality | text | text | text, vision, audio, video | text, vision |
| License | proprietary | MIT | proprietary | proprietary |
| Source | proprietary | open weights | 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. | 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. | Reasoning-focused model in the o-series. |
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Mistral Large 2maxMax 4 models. Remove one to add another.