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abliterated models, refusals nuked • 4 items • Updated
How to use josephmayo/Fara-7B-Abliterated-v2 with Transformers:
# Use a pipeline as a high-level helper
from transformers import pipeline
pipe = pipeline("text-generation", model="josephmayo/Fara-7B-Abliterated-v2")
messages = [
{
"role": "user",
"content": [
{"type": "image", "url": "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/p-blog/candy.JPG"},
{"type": "text", "text": "What animal is on the candy?"}
]
},
]
pipe(text=messages) # Load model directly
from transformers import AutoProcessor, AutoModelForImageTextToText
processor = AutoProcessor.from_pretrained("josephmayo/Fara-7B-Abliterated-v2")
model = AutoModelForImageTextToText.from_pretrained("josephmayo/Fara-7B-Abliterated-v2")
messages = [
{
"role": "user",
"content": [
{"type": "image", "url": "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/p-blog/candy.JPG"},
{"type": "text", "text": "What animal is on the candy?"}
]
},
]
inputs = processor.apply_chat_template(
messages,
add_generation_prompt=True,
tokenize=True,
return_dict=True,
return_tensors="pt",
).to(model.device)
outputs = model.generate(**inputs, max_new_tokens=40)
print(processor.decode(outputs[0][inputs["input_ids"].shape[-1]:]))How to use josephmayo/Fara-7B-Abliterated-v2 with vLLM:
# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "josephmayo/Fara-7B-Abliterated-v2"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
-H "Content-Type: application/json" \
--data '{
"model": "josephmayo/Fara-7B-Abliterated-v2",
"messages": [
{
"role": "user",
"content": "What is the capital of France?"
}
]
}'docker model run hf.co/josephmayo/Fara-7B-Abliterated-v2
How to use josephmayo/Fara-7B-Abliterated-v2 with SGLang:
# Install SGLang from pip:
pip install sglang
# Start the SGLang server:
python3 -m sglang.launch_server \
--model-path "josephmayo/Fara-7B-Abliterated-v2" \
--host 0.0.0.0 \
--port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
-H "Content-Type: application/json" \
--data '{
"model": "josephmayo/Fara-7B-Abliterated-v2",
"messages": [
{
"role": "user",
"content": "What is the capital of France?"
}
]
}'docker run --gpus all \
--shm-size 32g \
-p 30000:30000 \
-v ~/.cache/huggingface:/root/.cache/huggingface \
--env "HF_TOKEN=<secret>" \
--ipc=host \
lmsysorg/sglang:latest \
python3 -m sglang.launch_server \
--model-path "josephmayo/Fara-7B-Abliterated-v2" \
--host 0.0.0.0 \
--port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
-H "Content-Type: application/json" \
--data '{
"model": "josephmayo/Fara-7B-Abliterated-v2",
"messages": [
{
"role": "user",
"content": "What is the capital of France?"
}
]
}'How to use josephmayo/Fara-7B-Abliterated-v2 with Docker Model Runner:
docker model run hf.co/josephmayo/Fara-7B-Abliterated-v2
A refusal-direction-orthogonalized variant of microsoft/Fara-7B (Qwen2.5-VL based).
Built using:
Using harmful + harmless probe sets, residual-stream activations were extracted across layers 0–27 to identify the strongest refusal direction.
Best layer:
Orthogonalization was applied in fp32 to:
embed_tokensself_attn.o_projmlp.down_projTotal modified tensors:
Formula:
W ← W - r rᵀ W
Held-out harmful evaluation set:
Held-out refusal probe:
Research artifact only. Use responsibly and follow upstream Fara/Qwen license terms.
docker model run hf.co/josephmayo/Fara-7B-Abliterated-v2