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 GPT-5OpenAI |  DeepSeek-V4-FlashDeepSeek | GPT-4.1 OpenAI |  Gemini 2.5 Flash | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | OpenAI | |
| Family | GPT | DeepSeek | GPT | Gemini |
| Release date | 2025-08-07 | 2026-04-22 | 2025-04-14 | — |
| Context window | 400,000 tokens | 1,000,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | 284B (13B active) | — | — |
| Modality | text, vision, audio | text | text, vision | text, vision, audio |
| License | proprietary | MIT | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | 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 Superseded by GPT-5.5 in April 2026.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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Mistral Large 2maxMax 4 models. Remove one to add another.