Do language models favor their home countries? Asymmetric propagation of positive misinformation and foreign influence audits

As language models (LMs) continue to develop, concerns over foreign misinformation through models developed in authoritarian countries have emerged. Do LMs favor their home countries? This study audits four frontier LMs by evaluating their favoritism toward world leaders, then measuring how favoritism propagates into misinformation belief. We found that although DeepSeek favors China, it also