57. Join the Hugging Face community TRL is a full stack library where we provide a set of tools to train transformer language models with methods like Supervised Fine-Tuning (SFT), Group Relative Policy Optimization (GRPO), Direct Preference Optimization (DPO), Reward Modeling, and more. 7 billion parameters. We’re on a journey to advance and democratize artificial intelligence through open source and open science. The texts are tokenized using a byte-level version of Byte Pair Encoding (BPE) (for unicode characters) and a vocabulary size of 50,257. js demos and example applications. Here are a few examples: In Natural Language Processing: 1. 5, augmented with a new data source that consists of various NLP synthetic texts and filtered websites (for safety and educational value). 0rc3, last published: January 14, 2026 You can test most of our models directly on their pages from the model hub. The AI community building the future.

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