OpenAI ChatGPT o3-mini – Data Cutoff Date in 2021, Three Years Before 4o?

OpenAI’s o3-mini is a high-performance AI model optimized for STEM and coding. However, a surprising inconsistency has emerged: while the model claims its knowledge cutoff is 2021, OpenAI officially states 2023. This raises concerns about the model’s ability to correctly state its own factual training data. Our report highlights this issue and its implications for users.