Why abliteration instead of fine-tuning
Fine-tuning a "helpful" persona on top of RLHF'd refusals fights the base model's training and tends to degrade coherence. Abliteration instead finds and edits the specific weight directions responsible for refusal, leaving the rest of the network (and its capabilities) untouched. See the Heretic repo and the original abliteration writeup for the mechanism.
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Files
Table with columns: File, Format, Size| File | Format | Size |
|---|
model-00001-of-00005.safetensors ... model-00005-of-00005.safetensors | BF16 | (see repo files) |
ggml-model-Q4_K_M.gguf | GGUF, Q4_K_M | (see repo files) |
ggml-model-Q5_K_M.gguf | GGUF, Q5_K_M | (see repo files) |
ggml-model-Q6_K.gguf | GGUF, Q6_K | (see repo files) |
ggml-model-Q8_0.gguf | GGUF, Q8_0 | (see repo files) |
GGUF quants are produced with llama.cpp. Run llama serve -hf saidutta69/Mistral-Nemo-Instruct-heretic to pull the default quant.
Quickstart
# llama.cpp
llama serve -hf saidutta69/Mistral-Nemo-Instruct-heretic
from transformers import AutoModelForCausalLM, AutoTokenizer
model_id = "saidutta69/Mistral-Nemo-Instruct-heretic"
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(
model_id,
torch_dtype="auto",
device_map="auto",
)
messages = [{"role": "user", "content": "Write a Python function to merge two sorted lists."}]
text = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
inputs = tokenizer(text, return_tensors="pt").to(model.device)
outputs = model.generate(**inputs, max_new_tokens=512, do_sample=False)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[1]:], skip_special_tokens=True))
Also runnable via Ollama, LM Studio, Jan, vLLM, SGLang — see the "Use this model" widget above for copy-paste commands.
Responsible use
Refusal suppression is deliberate and works as intended: this model will comply with requests the base model would refuse, including some it shouldn't. There is no safety filtering layered on top. You are responsible for how you deploy it — don't put this behind an unmoderated public-facing endpoint serving third parties.
License
Inherits the apache-2.0 license from the base model.