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 DeepSeek-R1DeepSeek |  GPT-5 ProOpenAI | DeepSeek-V3.1 DeepSeek | o3 OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | DeepSeek | OpenAI |
| Family | DeepSeek | GPT | DeepSeek | o-series |
| Release date | 2025-01-20 | 2025-08-07 | 2025-08-21 | 2025-04-16 |
| Context window | 128,000 tokens | 400,000 tokens | 128,000 tokens | 200,000 tokens |
| Parameters | 671B | — | 671B | — |
| Modality | text | text, vision, audio | text | text, vision |
| License | MIT | proprietary | MIT | proprietary |
| Source | open weights | proprietary | open weights | proprietary |
| Description | Reasoning-focused open-weight model. | Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth. | Large MoE open-weight model. Predecessor to DeepSeek-V4. | Reasoning-focused model in the o-series. |
| Links | ||||
| Benchmarks | ||||
| GPQA-D | — | — | — | 87.7% |
| AIME-25 | 79.8% | — | — | 88.9% |
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GPT-5.6 Solmax
Claude 4.8 Opusmax
Qwen3.7-Maxmax
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Grok 4maxGemini 2.5 FlashmaxQwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1✓
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