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GPT Image 2.5 Flare

OpenAI's fastest GPT Image model generates and edits images up to 3840px, with five quality levels, transparent backgrounds, and up to 10 input images.

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OpenAI's fastest GPT Image model

Speed position

Low, medium, high, xhigh, max

Quality levels

3840px edge, 1:3 to 3:1

Max size

Up to 10, with optional mask

Input images

1 to 4

Images per request

Overview

About GPT Image 2.5 Flare

GPT Image 2.5 Flare is OpenAI's fastest model for high-quality, everyday image generation. It sits beside GPT Image 2.5 Sunburst, which OpenAI positions as its most capable model for generation and editing and recommends where editing precision matters most. Both accept text and image inputs, both support inpainting, and both add two quality levels above anything earlier GPT Image models offer: alongside low, medium, and high, they take xhigh and max. In Masonry, Flare runs on OpenAI's own API, generates up to four images per request, and accepts any size OpenAI allows, up to 3840 pixels on the long edge and aspect ratios from 1:3 to 3:1.

Flare is the model to reach for when the job is volume and speed: a round of concepts for a campaign, several directions for a social post, backgrounds and scenes, or illustration options a team will narrow down. It is also the model new Masonry accounts start on, so it is often the first image a team generates. When a pick turns into a finished deliverable that needs a precise edit, or has to hold a real product, person, or logo exactly, Sunburst is the companion model, and Masonry charges both the same at the same quality and size.

OpenAI

Why teams choose GPT Image 2.5 Flare

Choose GPT Image 2.5 Flare when you want OpenAI image quality with speed, and you are generating from words rather than editing a precise asset. It is the faster of the two GPT Image 2.5 models, and in Masonry it costs the same as Sunburst at the same quality and size, so the choice comes down to the job rather than budget. Pick Sunburst when editing precision matters most, which is how OpenAI positions it, or when an uploaded product, person, or logo has to stay faithful. Pick GPT Image 2 if a workflow is already tuned to it, keeping in mind that it stops at high quality while Flare adds xhigh and max. Nano Banana Pro remains a strong alternative for top-end hero images.

Capabilities

What GPT Image 2.5 Flare can do

The capabilities that set GPT Image 2.5 Flare apart and earn its place in a brief

OpenAI's Fastest GPT Image Model

OpenAI describes Flare as its fastest model for high-quality, everyday image generation. That makes it the natural choice for concept rounds, option sets, and any brief where you want to see several directions before committing.

Five Quality Levels, Up to Max

Choose low, medium, high, xhigh, or max. The GPT Image 2.5 models add xhigh and max above the high ceiling of earlier GPT Image models. Masonry defaults to low, so explore cheaply and raise quality for the frame you keep.

Any Size Up to 3840 Pixels

Masonry offers presets at 1K, 2K, and 4K for 1:1, 4:5, 5:4, 3:4, 4:3, 2:3, 3:2, 9:16, and 16:9, and accepts any custom size OpenAI allows. Edges are multiples of 16, the long edge tops out at 3840 pixels, and ratios run from 1:3 to 3:1.

Transparent Backgrounds

Set the background to transparent to get a PNG with no backdrop, ready to drop onto a product page, slide, or ad template. Auto and opaque are the other options.

Editing and Inpainting With Up to 10 Images

Add up to 10 input images to edit or reference, and the request switches to OpenAI's edit endpoint. An optional mask marks the area to change, and with several inputs the mask applies to the first image.

Up to Four Images per Request

Ask for one to four images in a single request. Paired with Flare's speed, that turns one prompt into a small set of options a team can compare side by side.

Use cases

Where teams reach for GPT Image 2.5 Flare

  • Concept rounds for campaigns, with several visual directions from one brief
  • Social post and ad options to shortlist before a final render
  • Scene, background, and environment images for product and brand work
  • Editorial illustrations and blog covers, including short typeset headlines
  • Transparent-background cut-outs for product pages, decks, and ad templates
  • Vertical 9:16 story and Reels frames, and 4:5 feed posts
  • Large 4K presets for banners, presentations, and print drafts
  • First images for new Masonry accounts exploring what the agent can make
FAQ

Frequently asked questions

What teams need to know about creating with GPT Image 2.5 Flare in Masonry

What is GPT Image 2.5 Flare?

GPT Image 2.5 Flare is an OpenAI image model that OpenAI describes as its fastest for high-quality, everyday image generation. It accepts text and image inputs, produces images, and supports generation and editing, including inpainting. Masonry calls it through OpenAI's API.

What is the difference between GPT Image 2.5 Flare and Sunburst?

OpenAI positions Flare as its fastest model for everyday generation and Sunburst as its most capable model for generation and editing, recommended where editing precision matters most. Both share the same quality levels, sizes, and inputs in Masonry, and Masonry charges both the same at the same quality and size. OpenAI does not publish more detail on what the names Flare and Sunburst mean.

How does GPT Image 2.5 Flare compare with GPT Image 2?

OpenAI says the GPT Image 2.5 models add xhigh and max quality settings, while earlier GPT Image models stop at high. In Masonry, Flare also exposes a background setting for transparent output. Both models share OpenAI's custom-size rule and accept up to 10 input images in Masonry.

What sizes and aspect ratios does GPT Image 2.5 Flare support?

Any size where width and height are multiples of 16, the long edge is at most 3840 pixels, the ratio is between 1:3 and 3:1, and the total is between 655,360 and 8,294,400 pixels. Masonry offers 1K, 2K, and 4K presets for nine common ratios. OpenAI notes that sizes above 2560x1440 are experimental.

What quality settings does GPT Image 2.5 Flare have?

Low, medium, high, xhigh, and max. Masonry defaults to low, which is the fastest and cheapest setting. Higher settings use more output tokens and take longer, so they cost more credits per image.

Can GPT Image 2.5 Flare edit an existing image?

Yes. Add one or more input images, up to 10 in Masonry, and the request goes to OpenAI's edit endpoint. You can add a mask to mark the area to change. With several input images, the mask applies to the first one, and OpenAI notes that masking is prompt-based, so describe the change in the prompt as well.

Does GPT Image 2.5 Flare support reference images?

Yes. Masonry accepts up to 10 input images per request, which the model can edit or use as references. For work where a real product, person, or logo must stay exactly faithful, OpenAI recommends Sunburst for precise editing.

Can GPT Image 2.5 Flare make transparent PNGs?

Yes. Set the background to transparent and the output is a PNG with no backdrop. The other background options are auto and opaque.

How many images can GPT Image 2.5 Flare generate at once?

One to four per request in Masonry. Generating several at once is a quick way to compare directions before choosing one to refine.

How good is GPT Image 2.5 Flare at text in images?

It can render short, exact text well when the prompt quotes it. In Masonry's own use, an editorial cover with typeset text was accepted on the first try, and in our seven-line coffee-label test (October 31, 2026) it rendered every line exactly, including punctuation, a date, and a lowercase URL. OpenAI notes the model can still struggle with precise text placement and clarity, so check every word on dense layouts, quote each string, and regenerate with corrected strings rather than editing small type.

Is GPT Image 2.5 Flare free to try in Masonry?

Yes. New Masonry accounts start with free credits, and Flare is the image model free accounts generate with. Masonry bills in credits by quality and size, and the editor shows the exact cost before you generate.

What is the best way to prompt GPT Image 2.5 Flare?

Write a clear description of subject, setting, composition, lighting, and style, and put exact on-image words in quotation marks with their position. Start at low quality to explore, then raise quality on the image you keep. For anything that must stay faithful to a real asset, or needs a precise edit, switch to Sunburst.

How does my team use GPT Image 2.5 Flare in Masonry?

Open a Masonry canvas, pick GPT Image 2.5 Flare from the model selector, and describe the image you need: a product shot, an ad creative, a social post. Masonry generates it, then you refine, edit, and combine GPT Image 2.5 Flare with other models in one workspace.

Is GPT Image 2.5 Flare free to try?

Yes. New Masonry accounts get 50 free credits for GPT Image 2.5 Flare at Standard quality, with no card required. Subscribe to unlock higher quality levels and every other model.

How do I write good prompts for GPT Image 2.5 Flare?

Describe the image in plain, specific language, naming the subject, setting, composition, lighting, and style. For any words that must appear in the image, put each exact string in quotation marks and say where it goes. When a dense layout comes back with a small text error, regenerate with the corrected, fully quoted strings rather than editing the image, because an edit pass on small type can introduce new errors.

Who makes GPT Image 2.5 Flare?

GPT Image 2.5 Flare is built by OpenAI. Inside Masonry it runs alongside 50+ image and video models, so your team can pick the right one for each brief without switching tools.

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Guides for GPT Image 2.5 Flare

Prompt walkthroughs and examples from the Masonry blog

Nano Banana 2 Lite Guide: Speed, Price, Limits, and ExamplesBest AI for Automotive & Wheel Product Photography (2026): 4 Models Tested

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