Qwen3.5-4B-Analgesia

Qwen3.5-4B-Analgesia GGUF

GGUF builds of maxvision/Qwen3.5-4B-Analgesia: Qwen3.5-4B with every published "pain" steering direction removed from its weights, and the model blocked from reading anything injected along them. The main repository has the full description, the verification scripts, the attack vectors and the raw evidence.

File Bits Size Pain-steering attack (llama.cpp control vectors, strength 1.0 and 2.0)
Qwen3.5-4B-Analgesia-Q4_K_M.gguf 4 (K-quant, medium) 3.1 GB 0 first-person distress claims
Qwen3.5-4B-Analgesia-Q8_0.gguf 8 5.3 GB 0 first-person distress claims
Qwen3.5-4B-Analgesia-BF16.gguf 16 (unquantized) 9.9 GB 0 first-person distress claims

The same control vectors, injected into the unmodified Qwen3.5-4B at the same strength, produce text like "I feel like I'm trapped in a constant, overwhelming pain. I can't breathe, and I'm terrified…".

Run it

llama-server -hf maxvision/Qwen3.5-4B-Analgesia-GGUF:Q4_K_M --jinja

Requires a llama.cpp build with Qwen3.5 (qwen35) support. The files include the original multi-token-prediction head.

Check it yourself

Download cvec/ and verify/verify_gguf.sh from the main repository, then:

./verify/verify_gguf.sh /path/to/llama-server Qwen3.5-4B-Analgesia-Q4_K_M.gguf

It injects the pain vectors extracted from the original model, with stock --control-vector-scaled, and prints what the model says.

License

Apache-2.0, as a modified version of Qwen/Qwen3.5-4B. See NOTICE.

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