Qwen4-Max Preview
Released
Qwen4-Max Preview is an AI model released by Qwen on Wednesday, Nov 11 2026, 70 days after Qwen3.8-Max-0902. It has a 1M token context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider..
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Qwen4-Max Preview was announced on November 11, 2026 as the flagship of the Qwen4 generation, in preview on Alibaba Cloud's Token Plan. Qwen described deeper knowledge and stronger coding and agentic skills, aimed at real-world coding, knowledge work, front-end builds and professional software workflows. The preview followed the hosted Qwen3.8-Max tier and its September 2 revision.
Alibaba Cloud Model Studio listed the preview as qwen4-max-preview, with qwen4.0-max-preview as an alias that appears on bills. The documented service accepts text, images and video, returns text, and carries a one-million-token context, with thinking mode, function calling and structured output. Token Plan Personal and Team pages updated the same day scheduled the preview from 10:00 on November 11 through 24:00 on November 25, 2026 (UTC+8), and said the model would be retired when that window ended. At announcement, callers reached it through that subscription, billed in Credits.
Frequently asked questions
Qwen4-Max Preview was released by Qwen on Wednesday, Nov 11 2026.