Qwen-Scope Official SAE Released

·2026.04.30 18:40

Key point

Qwen has released official Sparse Autoencoders for Qwen 3.5 and Qwen3.

The Qwen-Scope collection released official Sparse Autoencoders (SAEs) for the Qwen 3.5 and Qwen3 model families.

The accompanying QwenScope Space is for exploring and steering features revealed during the Qwen3 model's text generation process.

The release scope is as follows.

Qwen3.5: residual SAE for 2B, 9B, 27B, 35B
Qwen3: residual SAE for 1.7B, 8B, 30B
Each checkpoint is provided in W32K, W64K, W80K, W128K and L0_50, L0_100 variants

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