Compare GPT Image 2.5 Flare for fast everyday image generation and Sunburst for precise editing, based on OpenAI documentation. Use either series on PoloX.
Versions
Flare
OpenAI describes Flare as its fastest model for high-quality everyday image generation. Choose it when generation speed is your priority.
Sunburst
OpenAI positions Sunburst as its most capable image generation and editing model. Choose it for workflows where editing precision matters most.
FAQ
How should I choose between Flare and Sunburst?
OpenAI recommends Flare for fast everyday generation and Sunburst when editing precision matters most. Both support image generation and editing; their main difference is their focus.
Can I generate with GPT Image 2.5 on PoloX?
Yes. Choose Flare or Sunburst, then Text to Image to create from a prompt or Image to Image to edit using up to 16 reference images.
Which sizes and backgrounds can I choose?
On PoloX, both series offer 1K, 2K, and 4K output with automatic, opaque, or transparent backgrounds. The 27:16, 16:27, 9:8, and 8:9 aspect ratios support 1K only; other listed ratios support all three resolutions.
What can I upload for image editing?
Upload 1–16 JPEG, PNG, or WEBP reference images, up to 30MB each, and describe the changes you want. The studio shows the credit quote before generation.