We selected 40 PolitiFact claims from across a range of subjects, Truth-O-Meter ratings, and claim types and put AI to the test. ChatGPT also found no evidence or record of these statements — but it rated the claim about Harris “categorically” false but refused to rate the claim about Greene because of uncertainty. Corney said Full Fact’s developers are working on a variety of AI tools that transcribe and analyze news reports, social media posts and government transcripts to help fact-checkers detect claims that might be ripe for fact-checking.