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Qwen4 is the next generation of Alibaba’s open-weight Qwen model family, following Qwen3. This hub tracks previews, architecture details, and releases as Alibaba rolls out the Qwen4 lineup, along with how it compares to Qwen3 and other leading open models.
Alibaba has open-sourced Qwen3.8-Flash-Next, a 125-billion-parameter model that previews the architecture behind its coming Qwen4 family and trains far more cheaply than its predecessor.
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