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 GPT-5 ProOpenAI |  DeepSeek-V3.1DeepSeek |  Gemini 3 Pro | GPT-4.1 OpenAI | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | OpenAI | |
| Family | GPT | DeepSeek | Gemini | GPT |
| Release date | 2025-08-07 | 2025-08-21 | 2026-04-22 | 2025-04-14 |
| Context window | 400,000 tokens | 128,000 tokens | 2,000,000 tokens | 1,000,000 tokens |
| Parameters | — | 671B | — | — |
| Modality | text, vision, audio | text | text, vision, audio, video | text, vision |
| License | proprietary | MIT | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | 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. | Large MoE open-weight model. Predecessor to DeepSeek-V4. | 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. | — |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | 87.1% | — |
| GPQA-D | — | — | 88.6% | — |
| HumanEval | — | — | 96.5% | — |
| Aider | — | — | 84.8% | — |
| AIME-25 | — | — | 92.8% | — |
| LiveCB | — | — | 76.1% | — |
| MMMU | — | — | 84.3% | — |
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