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 GPT-5.5OpenAI |  Qwen3 235BAlibaba |  Claude 4.6 SonnetAnthropic |  DeepSeek-V4-ProDeepSeek | |
|---|---|---|---|---|
| Vendor | OpenAI | Alibaba | Anthropic | DeepSeek |
| Family | GPT | Qwen | Claude | DeepSeek |
| Release date | 2026-04-23 | 2025-04-29 | — | 2026-04-22 |
| Context window | 400,000 tokens | 128,000 tokens | 200,000 tokens | 1,000,000 tokens |
| Parameters | — | 235B | — | 1.6T (49B active) |
| Modality | text, vision, audio | text | text, vision | text |
| License | proprietary | Apache-2.0 | proprietary | MIT |
| Source | proprietary | open weights | proprietary | open weights |
| 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. | — | DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs. |
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Gemini 2.5 FlashmaxClaude 4.6 Sonnet✓GPT-5.5✓DeepSeek-V4-FlashmaxQwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-Pro✓Claude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5max
Grok 4maxQwen3 235B✓o3maxGPT-4.1max
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Mistral Large 2maxMax 4 models. Remove one to add another.