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olmo2-1b-uncensored
arzaan789/olmo2-1b-uncensored
olmo2-1b-uncensored is a text generation model from arzaan789. Use it when you need the model to write or continue text. The card lists the license as apache-2.0.
Uncensored variant of allenai/OLMo-2-0425-1B-Instruct.
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Repo size
12.7 GB
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Repo makeup
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.gguf12.7 GB · 100%
At a glance
- Task
- Text Generation
- License
- apache-2.0
- Access
- Public
- Created
- Apr 5, 2026
- Updated
- Apr 5, 2026
- SHA
- ec65be19
Try a prompt
Base models
Model card
From the Hugging Face model README
olmo2-1b-uncensored
Uncensored variant of allenai/OLMo-2-0425-1B-Instruct.
Method
- Abliteration (strength=0.2) — refusal direction removed from all layers
- LoRA fine-tune on
Guilherme34/uncensor(2 epochs, r=16, alpha=32) - 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
- Task
- Text Generation
- License
- apache-2.0
- Created
- Apr 5, 2026
- Updated
- Apr 5, 2026