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 DeepSeek-R1DeepSeek |  GPT-5.6 SolOpenAI |  Gemini 2.5 Pro | Gemini Omni | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | ||
| Family | DeepSeek | GPT | Gemini | Gemini |
| Release date | 2025-01-20 | 2026-06-26 | 2025-03-25 | 2026-05-20 |
| Context window | 128,000 tokens | — | 2,000,000 tokens | 1,000,000 tokens |
| Parameters | 671B | — | — | — |
| Modality | text | text, vision, audio | text, vision, audio, video | text, vision, audio, video |
| License | MIT | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | Reasoning-focused open-weight model. | Flagship of OpenAI's GPT-5.6 three-model suite (Sol / Terra / Luna), released as a limited preview. Strong gains in coding, cybersecurity, biology, and long-horizon agentic work. Pricing: $5 / $30 per million input/output tokens. | Predecessor to Gemini 3 Pro. | Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | 84.1% | — |
| GPQA-D | — | — | 84.0% | — |
| AIME-25 | 79.8% | — | — | — |
| MMMU | — | — | 72.4% | 82.5% |
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