FactCheck
Automated factuality verification for generated text
FactCheck is a library for automated factuality verification of generated text. It uses retrieval-augmented approaches to decompose claims, retrieve relevant evidence from knowledge bases and the web, and produce fine-grained factuality scores. FactCheck can be used as a standalone tool or integrated into generation pipelines as a post-processing step.
features
- Automatic claim decomposition from long-form text
- Multi-source evidence retrieval (Wikipedia, web, knowledge graphs)
- Fine-grained factuality scoring per claim and per document
- Integration with popular generation frameworks (vLLM, HuggingFace)
- FactBench evaluation benchmark included