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 GPT-5.5OpenAI |  Qwen3 235BAlibaba |  DeepSeek-V3.1DeepSeek |  Grok 4xAI | |
|---|---|---|---|---|
| Vendor | OpenAI | Alibaba | DeepSeek | xAI |
| Family | GPT | Qwen | DeepSeek | Grok |
| Release date | 2026-04-23 | 2025-04-29 | 2025-08-21 | 2025-07-09 |
| Context window | 400,000 tokens | 128,000 tokens | 128,000 tokens | 256,000 tokens |
| Parameters | — | 235B | 671B | — |
| Modality | text, vision, audio | text | text | text |
| License | proprietary | Apache-2.0 | MIT | proprietary |
| Source | proprietary | open weights | open weights | proprietary |
| Description | 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. | Predecessor to the Qwen3.6 family. | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — |
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Gemini 2.5 Flashmax
Claude 4.6 SonnetmaxGPT-5.5✓DeepSeek-V4-FlashmaxQwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5maxGrok 4✓Qwen3 235B✓o3maxGPT-4.1max
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Mistral Large 2maxMax 4 models. Remove one to add another.