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 DeepSeek-V4-FlashDeepSeek |  o3OpenAI |  Gemini 3.5 | Gemini 2.5 Pro | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | ||
| Family | DeepSeek | o-series | Gemini | Gemini |
| Release date | 2026-04-22 | 2025-04-16 | 2026-05-20 | 2025-03-25 |
| Context window | 1,000,000 tokens | 200,000 tokens | 2,000,000 tokens | 2,000,000 tokens |
| Parameters | 284B (13B active) | — | — | — |
| Modality | text | text, vision | text, vision, audio, video | text, vision, audio, video |
| License | MIT | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | Reasoning-focused model in the o-series. | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. | Predecessor to Gemini 3 Pro. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | 88.9% | 84.1% |
| GPQA-D | — | 87.7% | 91.2% | 84.0% |
| AIME-25 | — | 88.9% | 96.1% | — |
| MMMU | — | — | 86.0% | 72.4% |
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Claude 4.8 Opusmax
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