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 DeepSeek-R1DeepSeek |  GPT-5OpenAI |  Gemini 3.5 | |
|---|---|---|---|
| Vendor | DeepSeek | OpenAI | |
| Family | DeepSeek | GPT | Gemini |
| Release date | 2025-01-20 | 2025-08-07 | 2026-05-20 |
| Context window | 128,000 tokens | 400,000 tokens | 2,000,000 tokens |
| Parameters | 671B | — | — |
| Modality | text | text, vision, audio | text, vision, audio, video |
| License | MIT | proprietary | proprietary |
| Source | open weights | proprietary | proprietary |
| Description | Reasoning-focused open-weight model. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | 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 | — | 85.1% | 88.9% |
| GPQA-D | — | 87.3% | 91.2% |
| HumanEval | — | 95.2% | — |
| Aider | — | 85.4% | — |
| AIME-25 | 79.8% | 91.0% | 96.1% |
| LiveCB | — | 74.5% | — |
| MMMU | — | 74.1% | 86.0% |
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Claude 4.8 Opus+
Qwen3.7-Max+Gemini 3.5✓Gemini Omni+GPT-5.5+Qwen3.6-27B+DeepSeek-V4-Flash+DeepSeek-V4-Pro+Gemini 3 Pro+Claude 4.7 Opus+Claude 4.6 Sonnet+Claude 4.5 Haiku+DeepSeek-V3.1+GPT-5✓
Grok 4+Gemini 2.5 Flash+Qwen3 235B+o3+GPT-4.1+
Llama 4 Scout+Llama 4 Maverick+Gemini 2.5 Pro+DeepSeek-R1✓
Mistral Large 2+