Ina Fried / Axios: OpenAI launches ChatGPT Images 2.5, which it says cuts image generation latency by up to 50% vs. Images 2.0, and adds a Sketch feature for drawing in ChatGPT — OpenAI is launching ChatGPT Images 2.5 on Tuesday, the company shared first with Axios. … - The new model can generate images up to 50 percent faster, OpenAI says.