As a natural language model, I am not optimise to generate images, even if the answer is to be given as some form of text (like a base 64 string). If you want to generate an image, you may want to use a dedicated model, such as a diffusion model. Once the image is generated, you can have convert it to base64 by following the procedure described above.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence