OpenAI
The cheapest, fastest gpt-image-2 channel — 1K-only at a flat $0.015/image. Built for person editing & generation and light-text tutorial/diagram images. Not for 2K/4K HD or text-heavy full-screen layouts (use gpt-image-2 for those).
OpenAI
OpenAI gpt-image-2. Text-to-image and multi-image editing (up to 16 reference images), aspect-ratio control, native 1K / 2K / 4K — $0.025 / $0.04 / $0.06 per image.