The newer GPT-o3 and GPT-o4 mini models appear to be embedding special character watermarks in generated text. However, removing these watermarks is relatively simple, making this seem more like a short-term measure than a long-term solutionWhat's Going OnOur team at Rumi has discovered that the newer and more advanced GPT-o3 and o4-mini models appear to be embedding special character watermarks in generated text. In our testing, the watermarks were only added to longer responses for example whe...