OpenAI fixes image encoding in GPT-6 Sol and Luna

What changed

OpenAI reports fixing an image-encoding bug that impaired image understanding in GPT-6 Sol and GPT-6 Luna. Its changelog recommends rerunning image-input evaluations and retrying affected workflows. It does not quantify a universal improvement.

What it means for your workflow

SaveMyToken editorial take

Keep the run date with a visual-task evaluation. An earlier failure may need a fresh check after a serving fix, even when the model name stays the same.