InTruth Open Source Factchecker Achieves 89% Precision Using Claude 3.5 Sonnet
July 30, 2026
The InTruth factchecking pipeline now uses Claude 3.5 Sonnet to ground verdicts in 500-word source snippets, achieving 89% precision when labeling false statements. The tool includes source bias tagging across 16 languages and reported zero false positives for true statements in testing against major fact-checking organizations.
HOW THIS AFFECTS YOU
●
builderYou can integrate these grounding and bias-tagging patterns into your own verification or RAG workflows.
●
policyThis provides a scalable, open-source method for monitoring political disinformation and source bias.