jackf857/llama-3-8b-base-robust-dpo-ultrafeedback-8xh200
The jackf857/llama-3-8b-base-robust-dpo-ultrafeedback-8xh200 is an 8 billion parameter Llama 3 base model, fine-tuned using Direct Preference Optimization (DPO) on the HuggingFaceH4/ultrafeedback_binarized dataset. This model is designed to improve response quality and alignment by learning from human preferences. It builds upon a Llama 3 8B base model that was previously instruction-tuned, making it suitable for general conversational AI and preference-aligned text generation tasks.
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Model Overview
This model, jackf857/llama-3-8b-base-robust-dpo-ultrafeedback-8xh200, is an 8 billion parameter language model based on the Llama 3 architecture. It has been fine-tuned using Direct Preference Optimization (DPO) on the HuggingFaceH4/ultrafeedback_binarized dataset, which is designed to align models with human preferences.
Key Characteristics
- Base Model: Fine-tuned from
W-61/llama-3-8b-base-sft-ultrachat-8xh200, indicating a foundation that was already instruction-tuned. - Optimization Method: Utilizes Direct Preference Optimization (DPO) to enhance response quality and alignment.
- Training Data: Fine-tuned on the
HuggingFaceH4/ultrafeedback_binarizeddataset, which provides preference data for alignment. - Performance Metrics: Achieved a validation loss of 0.3504, with a rewards accuracy of 0.7460, indicating its ability to differentiate between preferred and rejected responses.
Training Details
The model was trained with a learning rate of 5e-07, a total batch size of 128 (across 8 GPUs), and for 1 epoch. The training process used an AdamW optimizer and a cosine learning rate scheduler with a 0.1 warmup ratio.
Intended Use Cases
This model is well-suited for applications requiring a robust, preference-aligned language model. Its DPO fine-tuning makes it particularly effective for generating responses that are more helpful, harmless, and aligned with human feedback, making it a strong candidate for conversational agents, content generation, and instruction-following tasks where quality and alignment are critical.