GPT Image 2.5 sibling comparison
Frontier comparisonGPT-Image-2.5 Sunburst vs GPT-Image-2.5 Flare: Complete Comparison
GPT-Image-2.5 Sunburst is OpenAI's most capable September 8, 2026 image model.
Featured · Updated today · Last verified: September 2026 · Score 96
Choose GPT-Image-2.5 Sunburst when
API jobs that need the most capable 2.5 edit/generate ID.
Choose GPT-Image-2.5 Flare when
Everyday high-quality generation where speed is the constraint.
Short verdict
Sunburst is the quality 2.5 ID. Flare is the speed 2.5 ID.
Key differences
OpenAI's positioning. Same list rates.
Best for
Split traffic after a 30-prompt bakeoff.
Reasoning fit
N/A.
Coding workflow fit
Pin snapshots. Remeasure tokens.
Multimodal fit
Still images.
Enterprise fit
One org, two IDs.
Who should not choose this?
- Do not pick Flare expecting a lower list price.
- Do not pick Sunburst for every thumbnail.
- Do not confuse either ID with ChatGPT Images 2.5.
Cost considerations
Price is tokens, not a Flare markdown.
Limitations
Verified September 8, 2026.
Final recommendation
Default Sunburst for edits. Add Flare for volume after you measure latency and tokens.