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Image model comparison · 2 models · Updated Nov 2, 2026

Nano Banana vs GPT-5 Image

Newest: GPT-5 Image · Widest inputs: GPT-5 Image · Self-hosting: No open weights. Not enough arena votes yet for a quality score, so this is a spec comparison.

  1. Google

    Nano Banana

    Released Aug 26, 2025Deprecated

    • Text to image
    • Image editing
    • Arena1,291
    • From—
    • Max size—
    Full specs Remove Nano Banana

  2. OpenAI

    GPT-5 Image

    Released Oct 14, 2025

    • Text to image
    • Image editing
    • Arena—
    • From—
    • Max size—
    Full specs Remove GPT-5 Image

  3. Add a model

    Make it a three-way comparison.

01 — At a glance

Where they differ

Quality is the arena score from blind, side-by-side human votes. Price, length and resolution come from each lab’s own listings.

  • NewestGPT-5 ImageNano Banana Aug 26, 2025 · GPT-5 Image Oct 14, 2025
  • Widest inputsGPT-5 ImageNano Banana: Text prompts, Reference images · GPT-5 Image: Text prompts, Reference images, PDFs
  • Image editingBoth edit imagesTakes a reference image as input: Nano Banana yes · GPT-5 Image yes
  • Self-hostingNo open weightsBoth are available only through APIs and apps
  • Most API hostsNano BananaNano Banana: 12 · GPT-5 Image: 2
02 — Side by side

Every spec in one table

Dashes mean the data is not published.

Nano Banana vs GPT-5 Image specifications side by side
SpecificationNano BananaGoogleGPT-5 ImageOpenAI
Quality (blind human votes)
Text to image arenaElo-style score · higher is better1,149 ±2#36 of 82 · 907,282 votes—
Image editing arenaElo-style score · higher is better1,291 ±2#33 of 61 · 11,448,539 votes—
Output
ProducesImagesImages
Inputs
Text promptsYesYes
Reference images (editing)YesYes
Access
WeightsProprietaryProprietary
API model IDgemini-2.5-flash-image—
API hosts12 (best)2
ReleasedAug 26, 2025Oct 14, 2025
03 — Questions

Which should you choose?

Which is better, Nano Banana or GPT-5 Image?

Neither model has enough arena votes for a reliable quality score yet, so this page compares specs only. Run the same three or four prompts through each and judge the results.

What is the difference between Nano Banana and GPT-5 Image?

Nano Banana is an image model from Google (Aug 26, 2025), taking text prompts and reference images and producing images. GPT-5 Image is an image model from OpenAI (Oct 14, 2025), taking text prompts, reference images and pdfs and producing images.

Which is newer?

Nano Banana Aug 26, 2025; GPT-5 Image Oct 14, 2025.

Which can edit an existing image?

Takes a reference image as input: Nano Banana yes; GPT-5 Image yes.

Can I run any of these on my own hardware?

No open weights. Both are available only through APIs and apps.

04 — Keep comparing

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