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

GPT-5.4 Image 2 vs Nano Banana 2

Newest: Nano Banana 2 · Widest inputs: Nano Banana 2 · Self-hosting: No open weights. Not enough arena votes yet for a quality score, so this is a spec comparison.

  1. OpenAI

    GPT-5.4 Image 2

    Released Apr 21, 2026

    • Text to image
    • Image editing
    • Arena—
    • From—
    • Max size—
    Full specs Remove GPT-5.4 Image 2

  2. Google

    Nano Banana 2

    Released May 28, 2026

    • Text to image
    • Image editing
    • Arena1,387
    • From$0.045/image
    • Max size4K
    Full specs Remove Nano Banana 2

  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.

  • NewestNano Banana 2GPT-5.4 Image 2 Apr 21, 2026 · Nano Banana 2 May 28, 2026
  • Widest inputsNano Banana 2GPT-5.4 Image 2: Text prompts, Reference images, PDFs · Nano Banana 2: Text prompts, Reference images, PDFs, Video
  • Image editingBoth edit imagesTakes a reference image as input: GPT-5.4 Image 2 yes · Nano Banana 2 yes
  • Self-hostingNo open weightsBoth are available only through APIs and apps
  • Most API hostsNano Banana 2GPT-5.4 Image 2: 3 · Nano Banana 2: 13
02 — Side by side

Every spec in one table

Dashes mean the data is not published.

GPT-5.4 Image 2 vs Nano Banana 2 specifications side by side
SpecificationGPT-5.4 Image 2OpenAINano Banana 2Google
Quality (blind human votes)
Text to image arenaElo-style score · higher is better—1,257 ±4#11 of 82 · 73,278 votes
Image editing arenaElo-style score · higher is better—1,387 ±3#15 of 61 · 262,911 votes
Price
Starting price—$0.045/image 512
Top price—$0.15/image 4K
How it is billed—Billed per token; Google’s listed cost per image.
Output
ProducesImagesImages
Resolutions—512 · 1K · 2K · 4K
Highest resolution—4K
Largest image—4K (about 16 MP)
Images per request—Up to 1
Text in the reply—Yes
Inputs
Text promptsYesYes
Reference images (editing)YesYes
Max reference images—14
Access
WeightsProprietaryProprietary
API model ID—gemini-3.1-flash-image
API hosts313 (best)
ReleasedApr 21, 2026May 28, 2026
03 — Questions

Which should you choose?

Which is better, GPT-5.4 Image 2 or Nano Banana 2?

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.

Which is cheaper?

Nano Banana 2 costs from $0.045/image (512), up to $0.15/image (4K). GPT-5.4 Image 2 has no published per-image price. Prices are list rates and change often; check the lab before budgeting.

What is the difference between GPT-5.4 Image 2 and Nano Banana 2?

GPT-5.4 Image 2 is an image model from OpenAI (Apr 21, 2026), taking text prompts, reference images and pdfs and producing images. Nano Banana 2 is an image model from Google (May 28, 2026), taking text prompts, reference images, pdfs and video and producing images.

Which is newer?

GPT-5.4 Image 2 Apr 21, 2026; Nano Banana 2 May 28, 2026.

Which can edit an existing image?

Takes a reference image as input: GPT-5.4 Image 2 yes; Nano Banana 2 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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