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 Claude 4.5 HaikuAnthropic |  DeepSeek-V3.1DeepSeek |  GPT-5 ProOpenAI | |
|---|---|---|---|
| Vendor | Anthropic | DeepSeek | OpenAI |
| Family | Claude | DeepSeek | GPT |
| Release date | 2025-10-01 | 2025-08-21 | 2025-08-07 |
| Context window | 200,000 tokens | 128,000 tokens | 400,000 tokens |
| Parameters | — | 671B | — |
| Modality | text, vision | text | text, vision, audio |
| License | proprietary | MIT | proprietary |
| Source | proprietary | open weights | proprietary |
| Description | Fast, cost-effective Claude model. | 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. |
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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+