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 DeepSeek-V3.1DeepSeek | DeepSeek-R1 DeepSeek |  GPT-5 ProOpenAI |  Claude 4.5 HaikuAnthropic | |
|---|---|---|---|---|
| Vendor | DeepSeek | DeepSeek | OpenAI | Anthropic |
| Family | DeepSeek | DeepSeek | GPT | Claude |
| Release date | 2025-08-21 | 2025-01-20 | 2025-08-07 | 2025-10-01 |
| Context window | 128,000 tokens | 128,000 tokens | 400,000 tokens | 200,000 tokens |
| Parameters | 671B | 671B | — | — |
| Modality | text | text | text, vision, audio | text, vision |
| License | MIT | MIT | proprietary | proprietary |
| Source | open weights | open weights | proprietary | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | 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. | Fast, cost-effective Claude model. |
| Links | ||||
| Benchmarks | ||||
| AIME-25 | — | 79.8% | — | — |
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GPT-5.6 SolmaxClaude 4.8 Opusmax
Qwen3.7-Maxmax
Gemini 3.5 FlashmaxGemini 3.5maxGemini OmnimaxGPT-5.5maxDeepSeek-V4-FlashmaxGemini 3 PromaxDeepSeek-V4-PromaxQwen3.6-27BmaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 Haiku✓DeepSeek-V3.1✓GPT-5 Pro✓GPT-5max
Grok 4maxGemini 2.5 FlashmaxQwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1✓
Mistral Large 2maxMax 4 models. Remove one to add another.