BERTopic open source analysis

Leveraging BERT and c-TF-IDF to create easily interpretable topics.

Project overview

⭐ 7295 · Python · Last activity on GitHub: 2026-01-05

GitHub: https://github.com/MaartenGr/BERTopic

Why it matters for engineering teams

BERTopic addresses the challenge of extracting meaningful topics from large text datasets, a common need in natural language processing tasks. It combines BERT embeddings with c-TF-IDF to produce interpretable topic models that help engineering teams understand textual data without extensive manual tuning. This open source tool for engineering teams is particularly suited to machine learning and AI engineers who require a production ready solution for topic modelling in applications such as customer feedback analysis or document classification. The project is mature with a strong community and consistent updates, making it reliable for production use. However, it may not be the right choice when computational resources are limited or when simpler, faster topic modelling methods are sufficient, as BERTopic can be resource intensive and complex to deploy at scale.

When to use this project

Use BERTopic when your team needs high-quality, interpretable topic models from complex text data and you have the capacity to manage transformer-based models. Consider alternatives if you require a lightweight or less resource-demanding approach, or if your use case involves very large-scale data with strict latency requirements.

Team fit and typical use cases

Machine learning and AI engineering teams benefit most from BERTopic, typically using it to enhance text analytics features in products like recommendation systems or customer insight platforms. It serves as a self hosted option for teams wanting to maintain control over their data and custom topic extraction workflows. Data scientists and NLP engineers rely on it to uncover latent themes in unstructured text, enabling more informed decision-making in real-world applications.

Best suited for

Topics and ecosystem

bert ldavis machine-learning nlp sentence-embeddings topic topic-modeling topic-modelling topic-models transformers

Activity and freshness

Latest commit on GitHub: 2026-01-05. Activity data is based on repeated RepoPi snapshots of the GitHub repository. It gives a quick, factual view of how alive the project is.