FinTagging: Benchmarking LLMs for Extracting and Structuring Financial Information

In three linesFinTagging is a benchmark for evaluating LLMs on extracting and tagging financial data with XBRL. It decomposes the task into two stages: FinNI (extracting numeric entities) and FinCL (mapping to the full US GAAP taxonomy). Testing shows models extract well but struggle with fine-grained concept linking across 10k+ concepts.

Summary generated by Claude — human-verified