GPT Image 2.5 by OpenAI

Generate Images with GPT Image 2.5

OpenAI's GPT Image 2.5 in both tiers — Flare for fast everyday generation, Sunburst for maximum detail. Text-to-image and image editing, five quality tiers, and output up to 4K.

What Is GPT Image 2.5?

GPT Image 2.5 is OpenAI's image generation and editing system, released in September 2026. It turns natural-language prompts into polished images with strong prompt fidelity — following detailed instructions for scene layout, style, lighting and composition — and it renders text inside images more reliably than the generation before it.

Unlike GPT Image 2, version 2.5 ships as two separate model tiers: Flare and Sunburst. Flare is the fast, balanced tier for everyday generation; Sunburst spends more compute per image for extra fidelity on intricate detail. Each tier exposes its own text-to-image and edit endpoint, which is why this page covers four endpoints in total.

Both tiers accept the same parameters: five quality levels (low, medium, high, xhigh, max), three resolutions (1K, 2K, 4K) and 15 aspect ratios. Uploading a reference image switches the tool to edit mode and calls that tier's edit endpoint; leaving it empty calls text-to-image.

Flare vs Sunburst: What's the Difference?

Both tiers come from the same GPT Image 2.5 family and accept identical parameters. The difference is how much compute each one spends per image — which shows up as latency, fine detail and price.

Flare

The fast, balanced tier and OpenAI's default for most applications. Flare delivers high-quality generation at low latency with natural lighting, rich textures and support for complex layouts including transparent backgrounds. It is the practical choice for drafts, iteration, A/B testing and anything high-volume.

Sunburst

The precision-focused tier, built for premium visual work. Sunburst spends more time per image to hold onto intricate detail — fine textures, small type, product surfaces, complex edits — in exchange for longer generation times and a higher price per image.

AttributeFlareSunburst
SpeedFast — low latency, built for iterationSlower — spends more compute per image
Fine detailStrong across everyday subjectsHighest fidelity on intricate detail and texture
Best forDrafts, social posts, concepts, high-volume workFinal assets, product shots, print, detailed edits
Credit costLower — from 2 credits per imageHigher — roughly 1.6x Flare at the same settings
EndpointsText-to-image + editText-to-image + edit

Examples

Switch tiers to see text-to-image and image-edit results from each of the four endpoints.

Text to Image

Prompt-only generation on the Flare endpoint — fast enough to iterate on wording and composition.

A cozy neighbourhood coffee shop at blue hour, warm window light spilling onto wet pavement, people chatting inside, candid street photography, 35mm

A cozy neighbourhood coffee shop at blue hour, warm window light spilling onto wet pavement, people chatting inside, candid street photography, 35mm

1:1 · 1k · medium
Flat vector illustration for a productivity app landing page, soft gradients, three floating UI cards, generous white space, modern brand style

Flat vector illustration for a productivity app landing page, soft gradients, three floating UI cards, generous white space, modern brand style

16:9 · 2k · high
A poster that reads 'WEEKEND MARKET' in bold condensed type, produce stalls below, transparent background, print-ready layout

A poster that reads 'WEEKEND MARKET' in bold condensed type, produce stalls below, transparent background, print-ready layout

4:5 · 2k · high

Image Edit

Upload a reference image and describe the change. Flare handles everyday edits — backgrounds, object removal, restyling.

Before
Before
These two are riding together inside a street. Keep the same vibes. Both are standing.

These two are riding together inside a street. Keep the same vibes. Both are standing.

16:9 · 1k · medium
Before
Replace her clothing with Gen-z fancy clothing

Replace her clothing with Gen-z fancy clothing

16:9 · 1k · medium

How It Works

1

Pick a tier

Choose Flare for speed or Sunburst for detail. Both accept the same prompts and settings, so you can start on Flare and re-run the winner on Sunburst.

2

Write a prompt or upload an image

A prompt alone calls text-to-image. Upload up to 16 reference images and the tool switches to edit mode, calling that tier's edit endpoint instead.

3

Set quality and generate

Pick a quality tier, resolution and aspect ratio. The credit cost updates on the generate button before you submit.

What You Can Build

GPT Image 2.5 handles both ends of a typical visual workflow — exploring ideas quickly on Flare, then producing the finished asset on Sunburst.

Social content

Post images, thumbnails and story frames across 15 aspect ratios, fast enough to try several directions.

Marketing and ads

Product visuals, banners and landing-page art with legible in-image text and transparent backgrounds.

Storytelling

Consistent scenes and characters across a sequence, with edits that preserve the parts you want unchanged.

Concept and design work

Moodboards and concept art on Flare, then a 4K Sunburst render for the version you present.

Key Capabilities

Strong prompt fidelity

Follows detailed instructions for layout, style, lighting and composition instead of drifting toward a generic interpretation.

Accurate in-image text

Renders headlines, labels and short body copy legibly — a common failure point for image models.

Multi-image editing

Both tiers accept up to 16 reference images per edit request, so you can combine subjects or carry a style across images.

Five quality tiers up to 4K

low, medium, high, xhigh and max at 1K, 2K or 4K — pay only for the fidelity a given job actually needs.

Tips for Better Results

  • 1

    Draft on Flare and finish on Sunburst. The tiers share a prompt format, so the version you like on Flare transfers directly.

  • 2

    Describe the subject, setting, lighting and camera or art style separately. Specific instructions beat long adjective lists.

  • 3

    Put text you want rendered in quotation marks and keep it short — headlines and labels come out far cleaner than paragraphs.

  • 4

    For edits, say what should stay the same as well as what should change: 'change the jacket to green, keep the pose and background untouched'.

  • 5

    Only reach for xhigh or max when the detail is actually visible in the final crop. Medium at 1K is usually enough while you are still iterating.

Frequently Asked Questions

What is GPT Image 2.5?

GPT Image 2.5 is OpenAI's image generation and editing system, released in September 2026. It ships in two API tiers — Flare and Sunburst — and both support text-to-image and image editing, five quality tiers, 15 aspect ratios and output up to 4K.

What is the difference between Flare and Sunburst?

Flare is the fast, balanced tier built for everyday generation at low latency — the practical default for iteration, drafts and high-volume work. Sunburst spends more compute per image for extra fidelity on intricate detail, at the cost of longer generation times and a higher price. A good workflow is to explore on Flare, then re-run the winning prompt on Sunburst for the final asset.

Which endpoints does this page use?

All four: Flare text-to-image, Flare edit, Sunburst text-to-image and Sunburst edit. Choosing a tier in the model selector and uploading an image (or not) picks the matching endpoint automatically.

What quality tiers and resolutions are supported?

Both tiers support low, medium, high, xhigh and max quality at 1K, 2K or 4K resolution, across 15 aspect ratios. Medium quality at 1K is the default and balances speed against output quality.

How many credits does GPT Image 2.5 cost?

Cost depends on tier, quality and resolution. Flare ranges from 2 credits (low, 1K) to 100 credits (max, 4K). Sunburst ranges from 3 credits (low, 1K) to 160 credits (max, 4K). The exact cost is shown on the generate button before you submit.

Can I use GPT Image 2.5 images commercially?

Yes. Images generated through our platform can be used commercially, including advertising, social media, product visuals and client work. Review OpenAI's model license, your client contracts and platform rules for AI-generated content when publishing.

GPT Image 2.5 AI Image Generator - Flare & Sunburst, Text to Image & Editing | Nano Banana