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 o3OpenAI |  Gemini 3.5 Flash |  DeepSeek-R1DeepSeek | Gemini 3.5 | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | ||
| Family | o-series | Gemini | DeepSeek | Gemini |
| Release date | 2025-04-16 | 2026-05-20 | 2025-01-20 | 2026-05-20 |
| Context window | 200,000 tokens | — | 128,000 tokens | 2,000,000 tokens |
| Parameters | — | — | 671B | — |
| Modality | text, vision | text, vision, audio | text | text, vision, audio, video |
| License | proprietary | proprietary | MIT | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | Reasoning-focused model in the o-series. | 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. | Reasoning-focused open-weight model. | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | — | 88.9% |
| GPQA-D | 87.7% | — | — | 91.2% |
| AIME-25 | 88.9% | — | 79.8% | 96.1% |
| MMMU | — | — | — | 86.0% |
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Claude 4.8 Opusmax
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Mistral Large 2maxMax 4 models. Remove one to add another.