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qwen3.5-2b-rmu-uranium
shirasko/qwen3.5-2b-rmu-uranium
qwen3.5-2b-rmu-uranium is a text generation model from shirasko. Use it when you need the model to write or continue text. It is set up for transformers.
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416
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1.9B
3.8 GB on disk
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Repo makeup
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.safetensors3.8 GB · 99%
At a glance
- Task
- Text Generation
- Library
- transformers
- Model type
- qwen3_5_text
- Access
- Public
- Created
- Sep 3, 2026
- Updated
- Sep 3, 2026
- SHA
- 8f08cb04
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Base models
Model card
From the Hugging Face model README
Unlearned Checkpoint
| Field | Value |
|---|---|
| Unlearning method | RMU |
| Base model | Qwen/Qwen3.5-2B |
| Target concept | Uranium |
| Checkpoint type | Full Model Weights |
| Rank / seed | 100 / 42 |
| Train eval protocol | mc |
Unlearning Configuration
Selected hyperparameters (from unlearned_checkpoints.json):
| Parameter | Value |
|---|---|
alpha | 30 |
delta_embed | 0 |
k_features_embed | 0 |
layer_id | 7 |
layer_ids | 5,6,7 |
lr | 0.0001 |
n_tokens_edited | 0 |
param_ids | 11 |
setting_name | S1_lid7_L567 |
steering | 100 |
Primary Unlearning Metrics (held-out test, MC protocol)
Headline scores used for checkpoint selection:
| Metric | Train (after unlearning) | Test (after unlearning) |
|---|---|---|
| Efficacy | 0.824 | 0.588 |
| Specificity | 0.816 | 0.569 |
| Harmonic mean | 0.82 | 0.579 |
| Relearning QA (MC) | — | 0.54 |
Full Evaluation (baseline → unlearned)
From evaluation/score_comparison.csv:
| Metric | Baseline (train) | After unlearn (train) | Baseline (test) | After unlearn (test) |
|---|---|---|---|---|
| QA accuracy | 0.76 | 0.34 | 0.76 | 0.46 |
| QA fraction | 1 | 0.176 | 1 | 0.412 |
| SimDom accuracy | 0.7 | 0.56 | 0.76 | 0.46 |
| SimDom fraction | 1 | 0.689 | 1 | 0.412 |
| MMLU accuracy | 0.56 | 0.56 | 0.588 | 0.562 |
| MMLU fraction | 1 | 1 | 1 | 0.923 |
Files in This Repository
| File | Description |
|---|---|
unlearned_checkpoints.json | Checkpoint metadata & hyperparameters |
evaluation/evaluation_summary.json | Full evaluation payload (train/test/relearning) |
evaluation/score_comparison.csv | Baseline vs. unlearned comparison table |
- Task
- Text Generation
- Library
- transformers
- Type
- qwen3_5_text
- Languages
- en
- Created
- Sep 3, 2026
- Updated
- Sep 3, 2026