GPT Image 2.5 or Nano Banana 2.1? Cost per usable image
Answer: Nano Banana 2.1 is cheaper for iteration — 3 credits at 1K, 4 at 2K, 5 at 4K. GPT Image 2.5 costs 3–35 credits because it splits output into resolution × quality, and at default settings (1K + high) it is 6 credits. For type and layout, GPT Image 2.5's higher cells are usually worth it; for…
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- 2026-11-07 14:06 · DEV Community — AI
GPT Image 2.5 or Nano Banana 2.1? Cost per usable image