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OpenAI shipped ChatGPT Images 2.5 as two separate API models, and r/ChatGPT immediately used it to stress-test photorealism
OpenAI released ChatGPT Images 2.5 on September 8 with two API model IDs, gpt-image-2.5-flare as the fast default and gpt-image-2.5-sunburst for precision work, landing simultaneously in ChatGPT for every tier, in Codex and in the API. OpenAI claims up to 50% faster generation than Images 2.0, better reference-subject preservation and more reliable multi-turn editing, and says users create more than 3 billion images a week across ChatGPT Images and the API models. Within a day r/ChatGPT's top post (1,901 upvotes, 1,519 comments) was a photorealistic human generation asking readers to find the AI tells, with a separate 167-upvote discussion thread.
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