Qwen 3.5 35B A3B

Qwen 3.5 35B A3B is a sparse mixture-of-experts model from Alibaba's Qwen team, released in February 2026 under the Apache 2.0 license. It carries roughly 35 billion total parameters but activates only about 3 billion per token, a design intended to deliver large-model behavior at a fraction of the compute cost. The model is multimodal, accepting text and vision inputs, and supports a native 256K-token context window alongside reasoning, code-optimized generation, function calling, and web search.

Within the Qwen family, this release sits between smaller and larger 3.5-generation siblings such as Qwen 3.5 9B and the much larger Qwen 3.5 397B. The provider describes the 35B A3B model as surpassing the earlier, denser Qwen 3 235B A22B Instruct 2507 while being roughly 6.7 times smaller in total parameters — a generational efficiency gain attributed to the company's own description.

In practice, the model targets reasoning, coding, and general-knowledge tasks where its small active-parameter footprint keeps latency and serving costs low. Later Qwen releases such as Qwen 3.6 27B continue this compact mixture-of-experts direction. Because primary benchmark documentation specific to this checkpoint is limited, the description here stays to verifiable architectural and licensing facts.

Sources

Qwen3.6-35B-A3B: Agentic Coding Power, Now Open to All· qwen.aiQwen/Qwen3.5-35B-A3B · Hugging Face· huggingface.co

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