OpenAI launched its ChatGPT Images 2.5 image generation model on September 8, cutting generation latency by up to 50% while producing sharper visuals with richer textures and more natural lighting. The platform now generates over 3 billion images per week. Independent testing across six categories found that ChatGPT Images 2.5 outperforms Google’s Nano Banana 2 in tasks emphasizing natural blending, visual depth, and editing reliability, while Google maintains an edge in tasks requiring strict prompt precision. OpenAI also launched two API variants, GPT-Image-2.5 Flare and GPT-Image-2.5 Sunburst, available across ChatGPT, ChatGPT Work, and Codex.
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