# Qwen4-Max Preview

Qwen4-Max Preview is an AI model released by Qwen on Nov 11 2026. It has a 1M context window.

## Facts

| Field | Value |
| --- | --- |
| Model | Qwen4-Max Preview |
| Developer | Qwen |
| Release date | Wednesday, Nov 11 2026 |
| Licensing | Closed |
| Context window | 1M |

## About Qwen4-Max Preview

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.

## Questions and answers

### When was Qwen4-Max Preview released?

Qwen4-Max Preview was released by Qwen on Wednesday, Nov 11 2026.

### Who made Qwen4-Max Preview?

Qwen4-Max Preview was built by Qwen. Alibaba's AI lab, building the Qwen family. The most prolific publisher of open-weight models of any major lab, alongside a closed Max and Plus tier sold through Alibaba Cloud.

### What is the context window of Qwen4-Max Preview?

Qwen4-Max Preview has a context window of 1M. Providers may specify separate input and output token limits.

### Is Qwen4-Max Preview open source?

No. Qwen4-Max Preview is a closed model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.

### What came before and after Qwen4-Max Preview?

Qwen's previous tracked release was Qwen3.8-Max-0902 on Sep 2 2026, 70 days earlier. It is the most recent Qwen model tracked on AI Release Tracker.


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Canonical page: https://aireleasetracker.com/model/qwen/qwen4-max-preview
Site index: https://aireleasetracker.com/llms.txt
Source: AI Release Tracker (https://aireleasetracker.com). Most benchmark scores come from lab launch material; gathered results identify the leaderboard that published them.