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 Grok 4xAI |  Gemini 2.5 Pro |  GPT-5OpenAI |  DeepSeek-V4-FlashDeepSeek | |
|---|---|---|---|---|
| Vendor | xAI | OpenAI | DeepSeek | |
| Family | Grok | Gemini | GPT | DeepSeek |
| Release date | 2025-07-09 | 2025-03-25 | 2025-08-07 | 2026-04-22 |
| Context window | 256,000 tokens | 2,000,000 tokens | 400,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | 284B (13B active) |
| Modality | text | text, vision, audio, video | text, vision, audio | text |
| License | proprietary | proprietary | proprietary | MIT |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | — | Predecessor to Gemini 3 Pro. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. |
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Gemini 2.5 Flashmax
Claude 4.6 SonnetmaxGPT-5.5maxDeepSeek-V4-Flash✓
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Mistral Large 2maxMax 4 models. Remove one to add another.