Firefox suggests tab groups with local AI
9 days ago
- #AI
- #Firefox
- #Tab Management
- Firefox introduced Tab Grouping in early 2025, addressing the most requested feature on Mozilla Connect.
- AI tab grouping suggests titles for groups and recommends tabs to add, operating locally without sending user data to Mozilla.
- Title suggestion uses a hybrid method combining TF-IDF and keyword extraction, refined by a fine-tuned T5 model.
- Training data was generated using user archetypes and OpenAI GPT-4, supplemented by real page titles from Common Crawl.
- The model was reduced from 1GB to 57MB via knowledge distillation and quantization, maintaining accuracy.
- Tab suggestions are based on semantic similarity, using MiniLM embeddings and logistic regression for improved performance.
- Performance improvements include a 33% reduction in processing time for users with thousands of tabs.
- Future enhancements may include time-related components or fine-tuned embedding models to improve grouping accuracy.