OpenAI Just Launched ChatGPT Images 2.5, and Here’s How It Compares to Google’s Nano Banana 2 by David Nield from Lifehacker on 2026-09-09 13:00 (#78921) OpenAI has pushed out ChatGPT Images 2.5, which it describes as faster, sharper, and smarter. How does it compare to Gemini's best?