› OpenAI says GPT-6.1 Terra makes far fewer factual errors than its predecessor.
› I tested that claim against Polish law because, in my first test, Terra cited the wrong provision in a letter to a Polish tax office.
› Asked directly about 16 legal provisions and 4 fictional laws, it answered all 20 questions correctly.
› But when it drafted the same request for payment in instalments 16 times, 4 letters again cited a provision about tax remission.