ChatGPT Images 2.5: Flare vs Sunburst API Guide
💡 Key Takeaways: ChatGPT Images 2.5 Split Architecture Two Specialized Endpoints: gpt-image-2.5-flare (optimized for ultra-fast bulk generation) and gpt-image-2.5-sunburst (engineered for multi-turn reference retention without drift). Performance Boost: Cuts overall generation latency by up to 50% while drastically improving in-image text typography and lighting realism. Routing Strategy: Default to flare for initial renders; selectively escalate to sunburst for iterative localized edits. If you've been staring at a spinner while gpt-image-1 chews through a batch job, September 9th brought some good news. OpenAI just shipped ChatGPT Images 2.5 , and it comes with two dedicated API models instead of one catch-all endpoint. That split changes how you architect a scalable image pipeline. This isn't a marketing recap. We're going to break down what changed under the hood, compare gpt-image-2.5-flare agai...