Qwen 3.5: Alibaba Just Changed the Open-Source AI Calculus

A 397-billion-parameter model that runs locally, costs 60% less, and trades punches with GPT-5.2 — and Alibaba just gave it away.

Aman Kumar
Aman Kumar·
12 min read·Feb 18, 2026
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Aman Kumar
Written byAman Kumar

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