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GPT Image 2.5 vs Nano Banana Pro: Which Image Model Should You Use?

GPT Image 2.5 vs Nano Banana Pro compared on character consistency, text rendering, editing, resolution and price per image, with a practical verdict.

Comparaison des fonctionnalités

FonctionnalitéGPT Image 2.5Nano Banana Pro
Max resolution4K4K
Reference images16Multiple
Text renderingExcellentGood
Character consistencyGoodExcellent
1K medium price (list)$0.024$0.14
SpeedFast (Flare)Moderate

GPT Image 2.5

OpenAI's September 2026 image models, Flare for fast generation and Sunburst for precision edits, up to 4K with xhigh and max quality.

Avantages

  • Cheapest medium-quality tier of any frontier model
  • Best-in-class typography and layout
  • 16 reference images for edits
  • Very fast Flare variant

Inconvénients

  • Photoreal skin can look cleaner than real
  • Face consistency across large sets still trails Nano Banana Pro

Nano Banana Pro

Google's Gemini 3 Pro Image model with 4K output, multi-image consistency and multilingual on-image text.

Avantages

  • Strongest character consistency
  • Photoreal skin and lighting
  • Reliable multi-reference edits

Inconvénients

  • About 6x the price of GPT Image 2.5 medium at 1K
  • Slower generations
  • Fewer aspect ratios

Notre verdict

Use Nano Banana Pro as the identity anchor for an AI influencer and GPT Image 2.5 Flare for everything that needs volume, text or speed. If you can only pick one for a mixed workload, GPT Image 2.5 now offers the better price-to-quality ratio.

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