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GPT Image 2.6 Sunburst: High-Fidelity Text-to-Image on Models and API | RunComfy

openai/gpt-image-2.6/sunburst/text-to-image

Describe a scene and GPT Image 2.6 Sunburst returns a polished, detail-rich image, GIF, or SVG with precise typography.

Shape of the generated image.
Output resolution tier.
Rendering quality. Higher tiers add detail and cost more.
How much the model plans the layout before drawing. Does not change the price.
File format of the result. gif returns a looping animation, svg returns a vector file.
GIF only: number of animation frames.
GIF only: how long each frame is shown, in milliseconds.
Idle
Price per output image by quality x resolution (1K / 2K / 4K): low $0.048 / $0.080 / $0.143, medium $0.080 / $0.138 / $0.238, high $0.095 / $0.159 / $0.285, xhigh $0.169 / $0.285 / $0.507, max $0.380 / $0.634 / $1.056. GIF output: about the image price x (1 + frame_count / 16), rounded up to $0.001 (9-frame medium 1K: $0.124). SVG output: the image price plus $0.015 to $0.016 (medium 1K: $0.095).

Introduction To GPT Image 2.6 Sunburst

OpenAI's GPT Image 2.6 Sunburst Text To Image spends extra time on each render to deliver fine detail, steady textures, and exact lettering at up to 4K, with GIF and SVG options.
Trading retouching passes for first-try polish, GPT Image 2.6 Sunburst suits brand designers, agencies, and product teams shipping final artwork.
For developers, GPT Image 2.6 Sunburst on RunComfy can be used both in the browser and via an HTTP API, so you don't need to host or scale the model yourself.
Ideal for: Brand Campaign Artwork | Premium Product Imagery | Editorial Posters

OpenAI / GPT Image 2.6 Sunburst Text To Image#


GPT Image 2.6 Sunburst is the precision tier of the GPT Image 2.6 family. Each image takes longer than on Flare, and that time goes into crisper materials, cleaner edges, and more consistent small details.


GPT Image 2.6 Sunburst shares the same controls as Flare, including looping GIF and vector SVG output, so you can move a prompt between the two tiers without rewriting it.


Highlights#


  • Detail first: GPT Image 2.6 Sunburst favors fidelity over speed, which shows in skin, fabric, metal, and glass.

  • Faithful prompts: Complex scenes with several subjects, specific camera angles, and named styles stay close to your description.

  • Reliable lettering: GPT Image 2.6 Sunburst renders headlines and small print cleanly, ready for posters, packaging, and ads.

  • Two separate dials: Quality changes rendering detail and price, while complexity only changes how much the model plans the layout.

  • Motion and vector output: GPT Image 2.6 Sunburst can return gif for a 2 to 16 frame loop or svg for a resizable vector file.

  • Flexible framing: Fifteen aspect ratios from 1:3 to 3:1, at 1K, 2K, or 4K.

Parameters#


ParameterRequiredTypeDefaultRange / OptionsDescription
prompt*Yes (*)String——Plain-language description of the image, including any text it should show.
aspect_ratioNoString1:11:1, 3:2, 2:3, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9, 2:1, 1:2, 3:1, 1:3, 9:21Frame shape, from square to 3:1 panoramas.
resolutionNoString1k1k, 2k, 4kOutput size tier.
qualityNoStringmediumlow, medium, high, xhigh, maxRendering effort; higher tiers cost more.
complexityNoStringhighlow, medium, highLayout planning before drawing; same price at every level.
output_formatNoStringpngpng, jpeg, webp, gif, svgStill image, looping GIF, or vector SVG.
frame_countNoInteger92 – 16GIF only: number of frames.
frame_duration_msNoInteger20020 – 2000GIF only: display time per frame in milliseconds.

Pricing#


Quality1K2K4K
low$0.048$0.080$0.143
medium$0.080$0.138$0.238
high$0.095$0.159$0.285
xhigh$0.169$0.285$0.507
max$0.380$0.634$1.056

Prices are per output image.


  • GIF output: about the image price × (1 + frame_count / 16), rounded up to the next $0.001. A 9-frame medium 1K GIF costs $0.124, and frame_duration_ms does not change the price.

  • SVG output: the image price plus $0.015 to $0.016. A medium 1K SVG costs $0.095.

  • Complexity never changes the price.

How to Use#


  1. Open GPT Image 2.6 Sunburst on its RunComfy model page.
  2. Write a detailed prompt covering subject, materials, lighting, composition, and any exact text.
  3. Pick an aspect ratio that matches where the image will be used.
  4. Set resolution and quality; high or xhigh at 2K is a solid starting point for final artwork.
  5. Keep complexity on high for busy scenes, or lower it for simple ones.
  6. For animation or vectors, switch output_format to gif or svg and tune the GIF frame settings.
  7. Generate with GPT Image 2.6 Sunburst, check fine details at full size, and adjust wording where needed.

Prompt & Reference Tips#


  • Name materials: Words like brushed aluminum, linen, or frosted glass help GPT Image 2.6 Sunburst show its texture detail.

  • Quote exact text: Put words in quotes and describe font style and placement.

  • Draft on Flare, finish here: Test ideas on the faster tier, then move the final prompt to GPT Image 2.6 Sunburst.

  • Set the light: Specify time of day, light direction, and softness for consistent results across a series.

  • Keep vectors simple: Flat fills and clear outlines convert best when GPT Image 2.6 Sunburst exports SVG.

  • Describe one loop: For GIFs, ask for one small repeating motion.

How GPT Image 2.6 Sunburst Text To Image compares to other models#


  • Versus GPT Image 2.6 Flare: Flare answers faster for exploration, while GPT Image 2.6 Sunburst trades time for finer, steadier detail.

  • Versus GPT Image 2.5 Sunburst: The 2.6 tier adds the complexity control and GIF and SVG output, based on publicly available information.

  • Versus typical diffusion image models: GPT Image 2.6 Sunburst generally follows long instructions and renders text more dependably, though specialized fine-tunes may suit certain art styles better.

Related Models

wan-2-2/text-to-image

Generate high quality images from text prompts with Wan 2.2 Plus.

wan-2-5/text-to-image

Generate images from text prompts with Wan 2.5 Preview.

flux-1-kontext/pro/edit

Edit images precisely and fast with FLUX Kontext Pro.

seedream-4-0/edit

Edit and fuse images into high quality results with Seedream 4.0.

seedream-5/lite/text-to-image

Prompt-to-visual engine with precise layout and typography control

nano-banana/pro/edit

Turn sketches into precise 2K-4K visuals with smart correction and seamless creative control.

Frequently Asked Questions

What is GPT Image 2.6 Sunburst used for in text-to-image work?

GPT Image 2.6 Sunburst is OpenAI's precision tier of the GPT Image 2.6 family, built for polished images with fine, consistent detail. Designers and brand teams use GPT Image 2.6 Sunburst for campaign artwork, premium product imagery, and editorial posters that need little retouching.

How does GPT Image 2.6 Sunburst differ from GPT Image 2.6 Flare?

Both accept the same parameters, but GPT Image 2.6 Sunburst takes longer per image and uses that time for crisper materials and steadier small details. Flare is the better pick for fast exploration, while GPT Image 2.6 Sunburst suits final, delivery-grade renders.

How accurate is text rendering with GPT Image 2.6 Sunburst?

GPT Image 2.6 Sunburst is designed to produce clean, readable lettering for headlines, labels, and small print on posters, packaging, and ads. Quote the exact words in your prompt and describe font style and placement to get the most reliable typography from GPT Image 2.6 Sunburst.

Can GPT Image 2.6 Sunburst output animated GIFs and SVG vectors?

Yes. With output_format set to gif, GPT Image 2.6 Sunburst returns a looping animation of 2 to 16 frames, and frame_duration_ms sets each frame's display time from 20 to 2000 ms. With svg, GPT Image 2.6 Sunburst returns a scalable vector, best suited to flat icons, logos, and illustrations.

What do the quality and complexity settings change in GPT Image 2.6 Sunburst?

Quality in GPT Image 2.6 Sunburst ranges from low to max and controls rendering detail and price. Complexity (low, medium, high) sets how much GPT Image 2.6 Sunburst plans the layout before drawing; high helps busy, multi-subject scenes and does not change the cost.

What resolutions and aspect ratios does GPT Image 2.6 Sunburst support?

GPT Image 2.6 Sunburst renders at 1k, 2k, or 4k across fifteen aspect ratios, from 1:1 squares to 9:16 stories and 3:1 panoramas. For exact pixel sizes, check the current RunComfy parameter panel for GPT Image 2.6 Sunburst.

Can I use GPT Image 2.6 Sunburst through the RunComfy API?

Yes. Refine prompts for GPT Image 2.6 Sunburst in the RunComfy model UI, then call the same model via the RunComfy API with identical parameters. This makes GPT Image 2.6 Sunburst easy to add to design tools and content pipelines without hosting it yourself.

How much does GPT Image 2.6 Sunburst cost per image on RunComfy?

GPT Image 2.6 Sunburst is billed per output image by quality and resolution, from $0.048 for low quality at 1K and $0.080 for medium at 1K up to $1.056 for max quality at 4K. GIF output on GPT Image 2.6 Sunburst costs about the image price × (1 + frame_count / 16), SVG adds $0.015 to $0.016, and new users typically get free trial credits.

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