Self-Play Preference Optimization (SPPO): An Innovative Machine Learning Approach to Finetuning Large Language Models (LLMs) from Human/AI Feedback

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● Large Language Models (LLMs) have shown remarkable abilities but face challenges related to reliability, safety, and ethical adherence.

● Reinforcement Learning from Human Feedback (RLHF) emerges as a promising solution to fine-tune LLMs to align with human preferences.

● The Self-Play Preference Optimization (SPPO) framework offers provable guarantees for solving two-player constant-sum games and scalability for large language models.

● SPPO demonstrates improved convergence and addresses data sparsity issues efficiently compared to existing methods like DPO and IPO.

● SPPO significantly improves LLMs alignment with human preferences, outperforms existing methods across benchmarks, and has potential for enhancing generative AI systems alignment.

Author: Mohammad Asjad
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