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 DeepSeek-V3.1DeepSeek |  Claude 4.6 SonnetAnthropic |  Qwen3 235BAlibaba |  GPT-5.5OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | Anthropic | Alibaba | OpenAI |
| Family | DeepSeek | Claude | Qwen | GPT |
| Release date | 2025-08-21 | — | 2025-04-29 | 2026-04-23 |
| Context window | 128,000 tokens | 200,000 tokens | 128,000 tokens | 400,000 tokens |
| Parameters | 671B | — | 235B | — |
| Modality | text | text, vision | text | text, vision, audio |
| License | MIT | proprietary | Apache-2.0 | proprietary |
| Source | open weights | proprietary | open weights | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — | Predecessor to the Qwen3.6 family. | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. |
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Gemini 2.5 FlashmaxClaude 4.6 Sonnet✓GPT-5.5✓DeepSeek-V4-FlashmaxQwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5max
Grok 4maxQwen3 235B✓o3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.