qwen3-30b-a3b is a lightweight open-source MoE model in Alibaba Qwen3 family. With 30B total parameters and 3B active parameters, it supports a 128K context window and toggles between thinking and non-thinking reasoning modes. It delivers strong performance in math, coding and multilingual reasoning under Apache2.0 license. It supports function calling and structured output, balancing reasoning capability and deployment cost, suitable for local deployment, software development, long-document processing and Agent workflows.