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OpenAI Launches ChatGPT Images 2.5 With Sketch, Templates, and Two New API Models

OpenAI's new state-of-the-art image model ships up to 50% faster generation, in-chat sketching, and a Flare/Sunburst split in the API. Announced September 8, 2026.

2026-09-08 · by Moe Ameen

Published 2026-09-08 · Updated

Short answer

OpenAI released ChatGPT Images 2.5 on September 8, 2026, calling it its new state-of-the-art image model. It cuts generation latency by up to 50% versus Images 2.0 and improves lighting, textures and reference-photo subjects. ChatGPT adds Sketch, typed as @Sketch, and Templates. Developers get two API models: GPT-Image-2.5 Flare as the default, and Sunburst for extra precision.

Key takeaways

  • OpenAI released ChatGPT Images 2.5 on September 8, 2026 for ChatGPT, ChatGPT Work and Codex users.
  • Generation latency is down by up to 50% compared with Images 2.0.
  • Sketch lets you draw a reference in chat; Templates give starting points like posters and flyers.
  • The API adds GPT-Image-2.5 Flare as the default and Sunburst for detailed, slower work.

What is ChatGPT Images 2.5?

On September 8, 2026, OpenAI released ChatGPT Images 2.5, calling it its new state-of-the-art image model, and began rolling it out to all ChatGPT, ChatGPT Work, and Codex users across desktop, mobile, and web. The headline is speed and control: OpenAI says generation latency is down by up to 50% compared with the prior Images 2.0, alongside more natural lighting, richer textures, better preservation of subjects from a reference photo, and more reliable editing across multiple turns of a conversation.

Two features are new inside ChatGPT. Sketch lets you draw directly in the chat, by typing @Sketch, and use that rough drawing as a reference for the final image — closing the gap between describing a composition and roughing it out. Templates give prebuilt starting points for common formats like flyers, posters, and product photos, lowering the floor for people who are not designers.

For developers, OpenAI added two models to the Images API. GPT-Image-2.5 Flare is positioned as the default for most applications — creator and social content, product imagery, visual search, rapid prototyping, and high-volume generation — carrying the quality and editing gains at roughly 50% lower latency. GPT-Image-2.5 Sunburst offers an extra level of precision for detailed creative work, with longer generation times. OpenAI links its API pricing from the announcement, so confirm current rates there before you budget around volume.

Why does ChatGPT Images 2.5 matter for creators?

  • Faster generation lowers the cost of iterating — you can try more prompts per session before you land the shot you want.
  • Better subject preservation and multi-turn editing mean a product or a person stays recognizable as you refine, which is the classic weak point of single-shot generators.
  • Sketch turns a scribble into a composition reference, which beats a paragraph of prompt for controlling layout and framing.
  • Templates make flyers, posters, and product images approachable for non-designers, raising the floor on what a solo operator can produce.
  • It still makes one image at a time in a chat. Turning that image into captioned posts, a branded carousel, and scheduled content across platforms is a separate job the model does not touch.
  • Consistency across a whole calendar — the same face and the same brand frame on every post — is not what a chat image model solves; the consistency it offers holds within a conversation, not across your feed.

How can creators act on this with Kompozy?

There are two plays here, one fast and one durable. The fast one: "OpenAI just made its image model faster and more controllable" is a high-intent search this week, and a single point of view can become a week of content in Kompozy — a blog explaining what Sketch, Templates, and the Flare/Sunburst split actually change, a carousel breaking it down slide by slide, short captioned clips, and platform-native posts written in your own voice through your Persona Brief, scheduled across nine platforms plus blog and email. Being early and accurate on a model release is how one opinion becomes a week of output.

The durable one is the fit with what Kompozy already generates. Kompozy's image formats — Photo Posts, Infographic Photo, Carousels, and Quote Graphics — run on OpenAI's gpt-image family, with Google Gemini handling face-locked persona images, so the exact qualities 2.5 sharpens are the qualities those formats trade on. What a chat image model cannot do is the part Kompozy is built for: take one generated image and fan it into a brand-exact carousel via HyperFrames, a quote card, and per-platform posts, keep a persona's face identical across every one with Gemini face-lock, and publish the whole set on a schedule with autopilot and a review step. ChatGPT Images 2.5 makes a better image; Kompozy turns that image into a feed.

What are the quick takeaways?

  • OpenAI released ChatGPT Images 2.5, its new state-of-the-art image model, on September 8, 2026.
  • Up to 50% lower generation latency than Images 2.0, plus more natural lighting, better subject preservation, and more reliable multi-turn editing.
  • New in ChatGPT: Sketch (draw a reference via @Sketch) and Templates (starting points for flyers, posters, and product photos).
  • Two API models: GPT-Image-2.5 Flare (fast default for social, product, and high-volume) and GPT-Image-2.5 Sunburst (extra precision for detailed creative work, slower).
  • It generates images in a chat but does not caption, repurpose, or publish — pair it with Kompozy to fan one image into a branded set and ship it across nine platforms.

What does this look like in Kompozy?

A photo post made in Kompozy: one image, finished as a captioned social post.

Photo post generated in Kompozy
Real output · Kompozy Photo post format · from the Kompozy workspace

Who is this for, and who should skip it?

Best for:

  • Creators who make product shots, posters and social images in ChatGPT
  • Developers choosing between Flare and Sunburst in the Images API
  • Non-designers who want templates to start from

Not ideal for:

  • Anyone who needs the image captioned, turned into a carousel and posted, which ChatGPT does not do
  • Teams that need the same face and brand frame across a whole content calendar
  • Budget planning without checking OpenAI's current API pricing

Frequently asked questions

What is ChatGPT Images 2.5?

It is OpenAI's new image model, announced on September 8, 2026, described as state-of-the-art. It generates and edits images inside ChatGPT with up to 50% lower latency than Images 2.0, more natural lighting, better subject preservation from reference photos, and more reliable editing across a multi-turn conversation. It also adds Sketch and Templates.

When did ChatGPT Images 2.5 launch and who can use it?

It launched on September 8, 2026, rolling out to all ChatGPT, ChatGPT Work, and Codex users across desktop, mobile, and web. Developers reach it through the Images API using two models, GPT-Image-2.5 Flare and GPT-Image-2.5 Sunburst.

What are GPT-Image-2.5 Flare and Sunburst?

They are the two API models for Images 2.5. Flare is the default for most uses — creator and social content, product imagery, prototyping, and high-volume generation — at roughly 50% lower latency. Sunburst offers an extra level of precision for detailed creative work and takes longer to generate.

Can ChatGPT Images 2.5 post images to social media?

No. It generates and edits images inside a chat, but it does not caption for social, turn one image into a multi-format branded set, or publish anywhere. That distribution step is separate — a tool like Kompozy takes a generated image and fans it into a carousel, quote card, and per-platform posts, then schedules them across nine platforms.

How do we know this?

We checked every figure, date, quote and product claim on this page against the sources listed below on 2026-10-23, and removed or rewrote anything we could not confirm. Features, latency and API model details come from OpenAI's announcement. Kompozy platform and format details come from kompozy.io.

Sources

  1. OpenAI — Introducing ChatGPT Images 2.5 (read 2026-10-23)
  2. Kompozy — Pricing and plans (read 2026-10-23)

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