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

Grok Imagine Image 2.0 vs GPT Image 2.5 Flare

Preferred for text to image: GPT Image 2.5 Flare · Preferred for image editing: GPT Image 2.5 Flare · Newest: GPT Image 2.5 Flare. Quality scores are blind human-preference votes; specs and prices come from each lab’s listings.

  1. xAI

    Grok Imagine Image 2.0

    Released Aug 7, 2026

    • Text to image
    • Image editing
    • Arena1,439
    • From$0.04/image
    • Max size2K
    Full specs Remove Grok Imagine Image 2.0

  2. OpenAI

    GPT Image 2.5 Flare

    Released Sep 8, 2026New

    • Text to image
    • Image editing
    • Arena1,482
    • From—
    • Max size—
    Full specs Remove GPT Image 2.5 Flare

  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.

  • Preferred for text to imageGPT Image 2.5 FlareGrok Imagine Image 2.0 1,317 (#6) · GPT Image 2.5 Flare 1,401 (#2) — blind human votes
  • Preferred for image editingGPT Image 2.5 FlareGrok Imagine Image 2.0 1,439 (#5) · GPT Image 2.5 Flare 1,482 (#2) — blind human votes
  • NewestGPT Image 2.5 FlareGrok Imagine Image 2.0 Aug 7, 2026 · GPT Image 2.5 Flare Sep 8, 2026
  • Widest inputsSame inputsGrok Imagine Image 2.0: Text prompts, Reference images · GPT Image 2.5 Flare: Text prompts, Reference images
  • Image editingBoth edit imagesTakes a reference image as input: Grok Imagine Image 2.0 yes · GPT Image 2.5 Flare yes
  • Self-hostingNo open weightsBoth are available only through APIs and apps
  • Most API hostsGPT Image 2.5 FlareGrok Imagine Image 2.0: 3 · GPT Image 2.5 Flare: 4
02 — Side by side

Every spec in one table

Dashes mean the data is not published.

Grok Imagine Image 2.0 vs GPT Image 2.5 Flare specifications side by side
SpecificationGrok Imagine Image 2.0xAIGPT Image 2.5 FlareOpenAI
Quality (blind human votes)
Text to image arenaElo-style score · higher is better1,317 ±7#6 of 82 · 10,902 votes1,401 ±5#2 of 82 · 39,218 votes (best)
Image editing arenaElo-style score · higher is better1,439 ±6#5 of 61 · 32,951 votes1,482 ±5#2 of 61 · 87,941 votes (best)
Price
Starting price$0.04/image 1K, low—
Top price$0.08/image 2K, medium—
Extra charges$0.01 per input image—
How it is billedPer imageBilled per token: $30 per million output image tokens.
Output
ProducesImagesImages
Resolutions1K · 1.5K · 2K—
Highest resolution2K—
Largest image2K—
Images per requestUp to 10Up to 10
Inputs
Text promptsYesYes
Reference images (editing)YesYes
Max reference images516 (best)
Access
WeightsProprietaryProprietary
API hosts34 (best)
ReleasedAug 7, 2026Sep 8, 2026
03 — Questions

Which should you choose?

Which is better, Grok Imagine Image 2.0 or GPT Image 2.5 Flare?

For text to image, voters prefer GPT Image 2.5 Flare (Grok Imagine Image 2.0 1,317 (#6) · GPT Image 2.5 Flare 1,401 (#2)). For image editing, voters prefer GPT Image 2.5 Flare (Grok Imagine Image 2.0 1,439 (#5) · GPT Image 2.5 Flare 1,482 (#2)). Arena scores come from blind, side-by-side human votes on the same prompts; when the gap is inside both models’ error margins we call it a tie. Test your own prompts before you commit.

Which is cheaper?

Grok Imagine Image 2.0 costs from $0.04/image (1K, low), up to $0.08/image (2K, medium). GPT Image 2.5 Flare has no published per-image price. Prices are list rates and change often; check the lab before budgeting.

What is the difference between Grok Imagine Image 2.0 and GPT Image 2.5 Flare?

Grok Imagine Image 2.0 is an image model from xAI (Aug 7, 2026), taking text prompts and reference images and producing images. GPT Image 2.5 Flare is an image model from OpenAI (Sep 8, 2026), taking text prompts and reference images and producing images.

Which is newer?

Grok Imagine Image 2.0 Aug 7, 2026; GPT Image 2.5 Flare Sep 8, 2026.

Which can edit an existing image?

Takes a reference image as input: Grok Imagine Image 2.0 yes; GPT Image 2.5 Flare 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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