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 Grok 4xAI |  DeepSeek-V4-FlashDeepSeek |  GPT-5 ProOpenAI |  Gemini 3.5 Flash | |
|---|---|---|---|---|
| Vendor | xAI | DeepSeek | OpenAI | |
| Family | Grok | DeepSeek | GPT | Gemini |
| Release date | 2025-07-09 | 2026-04-22 | 2025-08-07 | 2026-05-20 |
| Context window | 256,000 tokens | 1,000,000 tokens | 400,000 tokens | — |
| Parameters | — | 284B (13B active) | — | — |
| Modality | text | text | text, vision, audio | text, vision, audio |
| License | proprietary | MIT | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | — | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth. | Fast, low-cost tier of the Gemini 3.5 family announced at Google I/O 2026. June 2026 update added native computer-use capability, moving Flash from generation to agentic task execution. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 82.8% | — | — | — |
| GPQA-D | 87.5% | — | — | — |
| Aider | 72.5% | — | — | — |
| AIME-25 | 86.1% | — | — | — |
| LiveCB | 65.3% | — | — | — |
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Mistral Large 2maxMax 4 models. Remove one to add another.