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 Gemini Omni |  DeepSeek-V3.1DeepSeek | Gemini 3 Pro |  GPT-5OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | ||
| Family | Gemini | DeepSeek | Gemini | GPT |
| Release date | 2026-05-20 | 2025-08-21 | 2026-04-22 | 2025-08-07 |
| Context window | 1,000,000 tokens | 128,000 tokens | 2,000,000 tokens | 400,000 tokens |
| Parameters | — | 671B | — | — |
| Modality | text, vision, audio, video | text | text, vision, audio, video | text, vision, audio |
| License | proprietary | MIT | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model. | 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. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | 87.1% | 85.1% |
| GPQA-D | — | — | 88.6% | 87.3% |
| HumanEval | — | — | 96.5% | 95.2% |
| Aider | — | — | 84.8% | 85.4% |
| AIME-25 | — | — | 92.8% | 91.0% |
| LiveCB | — | — | 76.1% | 74.5% |
| MMMU | 82.5% | — | 84.3% | 74.1% |
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