Nano Banana 2.1 vs GPT Image 2.5: Decide With Cost per Approved Image

This story is from 2026-10-09. It is preserved in the archive; the latest stories are on the live feed.

Every "which model wins" thread I've read this month compares single generations. That tells you almost nothing about a production pipeline. What I care about is: does the model preserve my reference subject, how often do I have to re-roll, and what do the rejected images cost me. Here's what I fou…

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1. 2026-10-09 05:16 · DEV Community — AI
   Nano Banana 2.1 vs GPT Image 2.5: Decide With Cost per Approved Image