Inpaint & Outpaint with a Red Mask — Seedream 5 Pro vs Nanobanana vs GPT-Image-2
Paint a red zone over what you want changed, ask the model to inpaint it — then chain that same trick sideways, twice, to outpaint a panorama. Real results from Seedream 5 Pro, Nanobanana Pro, and GPT-Image-2.