What Is Microsoft's "VeriTrail" And Why Should You Care?

This new research tool claims to empower users with transparency, helping content consumers trust AI-generated information.

“VeriTrail”, a new, novel framework developed by Microsoft Research to detect hallucinations and trace provenance in multi-step language model (LM) workflows, was revealed to the world on August 5, 2025.

Compared to existing LLM hallucination detection methods that compare final outputs directly to source texts, VeriTrail introduces what’s called “a trac…