Qwen3 Max Preview is Alibaba's early-access release of its trillion-parameter Qwen3-Max model, providing developers with ahead-of-schedule access to Qwen3-Max capabilities for evaluation and prototyping.
import { streamText } from 'ai'
const result = streamText({ model: 'alibaba/qwen3-max-preview', prompt: 'Why is the sky blue?'})Qwen3 Max Preview reflects the state of Alibaba's trillion-parameter Qwen3-Max model ahead of its general availability cutover. Teams that need to assess model behavior before committing to Qwen3-Max in production, evaluating output formatting, instruction-following fidelity, or multilingual quality, can do so through the preview identifier without waiting for the GA release window.
The preview shares the same mixture-of-experts (MoE) architecture as the production release, with more than one trillion total parameters and a context window extending to 262.1K tokens. Its capability profile spans mathematics, coding, structured output, and multilingual dialogue.
The practical value of the preview designation is continuity: developers who build and test against Qwen3 Max Preview can observe the model's behavior in realistic conditions, validate prompt templates, and instrument cost estimates before the production model reaches its stable pricing tier. Because AI Gateway abstracts the underlying provider endpoint, migrating from the preview to the GA identifier requires only a model string change in your application configuration.