› Qwen4 is the fourth generation of Alibaba's language models.
› The first member of the family, Qwen4-Max in preview, arrived on 11 November 2026: in the Qwen Studio chat, in the Qwen app, in QwenWork and Qoder, and in the API through the Token Plan subscription.
› This guide collects what is known for certain about Qwen4, where you can use it, what it costs and how it compares with Claude Fable 5.2, GPT-6 and Gemini 4 Carbon.
› I update it with every new model in the family.