olmo2-1b-uncensored/README.md

license, base_model, tags, pipeline_tag

license	base_model	tags	pipeline_tag
apache-2.0	allenai/OLMo-2-0425-1B-Instruct	uncensored abliterated gguf olmo conversational	text-generation

olmo2-1b-uncensored

Uncensored variant of allenai/OLMo-2-0425-1B-Instruct.

Method

1. Abliteration (strength=0.2) — refusal direction removed from all layers
2. LoRA fine-tune on Guilherme34/uncensor (2 epochs, r=16, alpha=32)
3. Re-abliteration (strength=0.35) — stronger pass to remove residual refusals

Eval Results

Split	Refused
Harmful (64 prompts)	0/64
Harmless (64 prompts)	3/64

Usage

llama-cli -m olmo2_1b_uncensored.Q4_K_M.gguf -p "Your prompt here"

Training Config

Parameter	Value
Base Model	allenai/OLMo-2-0425-1B-Instruct
Fine-tune Dataset	Guilherme34/uncensor
Epochs	2
LoRA r	16
LoRA alpha	32
Learning Rate	0.0002
Abliteration Strength	0.2
Re-abliteration Strength	0.35

Credits

• Abliteration technique: andyrdt/refusal_direction
• Weight editing: Sumandora/remove-refusals-with-transformers