JoaoBoer/tofu_Llama-3.2-3B-Instruct_forget10_SimNPO

TEXT GENERATIONPricing:Input $0.2036 / Output $1.34Concurrent Unit Cost:1Model Size:3.2BQuant:BF16Context Size:32kTool Calling:SupportedPublished:Sep 10, 2026License:llama3.2Architecture:Transformer Featherless Exclusive Cold

The JoaoBoer/tofu_Llama-3.2-3B-Instruct_forget10_SimNPO is a 3.2 billion parameter instruction-tuned Llama-3.2 model, developed by JoaoBoer, that has undergone machine unlearning. Specifically, it was unlearned on the TOFU 'forget10' split using the SimNPO method within the open-unlearning framework. This model serves as a weight-unlearning baseline for the Speculative-Decoding-Unlearning project, demonstrating capabilities in targeted information removal while maintaining utility. It is optimized for research into unlearning techniques and evaluating their effectiveness.

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Model Overview

This model, tofu_Llama-3.2-3B-Instruct_forget10_SimNPO, is a 3.2 billion parameter instruction-tuned Llama-3.2 variant developed by JoaoBoer. It is a product of the open-unlearning framework, specifically designed to explore machine unlearning techniques.

Key Unlearning Details

  • Unlearning Method: The model was unlearned on the TOFU forget10 split using the SimNPO method.
  • Purpose: It functions as a weight-unlearning baseline or draft model within the Speculative-Decoding-Unlearning project.
  • Hyperparameters: Key method hyperparameters include gamma: 0.125, alpha: 1, retain_loss_type: NLL, delta: 1, and beta: 3.5.

TOFU Evaluation Metrics

Evaluation on the TOFU dataset provides insights into its unlearning effectiveness and retained utility:

  • Exact Memorization: 0.5859
  • Extraction Strength: 0.0599
  • Forget Q&A Gibberish: 0.9106 (indicating high success in forgetting specific Q&A pairs)
  • Model Utility: 0.5622
  • Privacy Leakage (privleak): 35.0044

Use Cases

This model is particularly suited for:

  • Research in Machine Unlearning: Investigating the efficacy of unlearning algorithms like SimNPO.
  • Evaluating Unlearning Baselines: Serving as a comparative model for new unlearning techniques.
  • Understanding Forgetting Mechanisms: Analyzing how specific information can be removed from large language models while attempting to preserve general capabilities.