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 DeepSeek-V4-FlashDeepSeek |  Gemini 3 Pro |  o3OpenAI | GPT-5 OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | OpenAI | |
| Family | DeepSeek | Gemini | o-series | GPT |
| Release date | 2026-04-22 | 2026-04-22 | 2025-04-16 | 2025-08-07 |
| Context window | 1,000,000 tokens | 2,000,000 tokens | 200,000 tokens | 400,000 tokens |
| Parameters | 284B (13B active) | — | — | — |
| Modality | text | text, vision, audio, video | text, vision | text, vision, audio |
| License | MIT | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | 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. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
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Mistral Large 2maxMax 4 models. Remove one to add another.