Qwen 3.5 Series

Alibaba / Qwen
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Version History

3.5majorFebruary 20, 2026

Alibaba released Qwen 3.5 series claiming performance parity with proprietary frontier models while optimized for commodity hardware, directly challenging closed-source AI model economics.

Coverage

model release

Alibaba Qwen 3.5 closes performance gap with proprietary models at lower inference cost

Alibaba has released the Qwen 3.5 series, an open-source model that claims performance comparable to frontier proprietary models while running on commodity hardware. The release signals a shift in AI model economics, offering enterprises lower inference costs and greater deployment flexibility than closed alternatives.

2 min read
alibaba-qwenopen-source-aimodel-release