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 DeepSeek-V3.1DeepSeek |  GPT-5 ProOpenAI |  Claude 4.5 HaikuAnthropic | |
|---|---|---|---|
| Vendor | DeepSeek | OpenAI | Anthropic |
| Family | DeepSeek | GPT | Claude |
| Release date | 2025-08-21 | 2025-08-07 | 2025-10-01 |
| Context window | 128,000 tokens | 400,000 tokens | 200,000 tokens |
| Parameters | 671B | — | — |
| Modality | text | text, vision, audio | text, vision |
| License | MIT | proprietary | proprietary |
| Source | open weights | proprietary | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | 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. | Fast, cost-effective Claude model. |
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GPT-5.6 Sol+Claude 4.8 Opus+
Qwen3.7-Max+
Gemini 3.5 Flash+Gemini 3.5+Gemini Omni+GPT-5.5+DeepSeek-V4-Flash+Gemini 3 Pro+DeepSeek-V4-Pro+Qwen3.6-27B+Claude 4.7 Opus+Claude 4.6 Sonnet+Claude 4.5 Haiku✓DeepSeek-V3.1✓GPT-5 Pro✓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+