FACTS Grounding
A Google DeepMind benchmark that measures how factually grounded an LLM's long-form responses are to a provided source document, scoring the share of responses that are eligible and fully supported by the context with no hallucinations.
What this benchmark measures
A Google DeepMind benchmark that measures how factually grounded an LLM's long-form responses are to a provided source document, scoring the share of responses that are eligible and fully supported by the context with no hallucinations.
Rows on this page are sourced from public benchmark artifacts, leaderboard exports, or source-linked model reports. Each row keeps benchmark version, source model name, and available run details attached to the score.
The metric shown here is Grounding accuracy. It should be interpreted within FACTS Grounding, not compared as part of a site-wide ranking.