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Rendair

OpenAI · Image

GPT Image 2.5

Fast

OpenAI's fast all-round model. Follows detailed instructions.

OpenAI's fastest model for everyday image generation and editing. Same quality as GPT Image 2 with up to half the wait, and strong at following long, specific prompts.

  • Follows detailed instructions
  • Quick turnaround for everyday work
  • Handles text and signage well
Modern two-story residential render with rounded pale-green brick facade and large wood-framed windows.

How it works

How to use it

GPT Image 2.5 is one choice in the model menu of every app that runs on it.

  1. 01

    Open a create or edit app

    Text to Render, Sketch to Render, Image to Render, Render to Moodboard, Edit Canvas and Conversational Edit can all run on GPT Image 2.5.

  2. 02

    Choose GPT Image 2.5 and write the brief

    It reads long prompts well, so list what you want: materials, furniture, light, people, what to keep and what to change.

  3. 03

    Compare and refine in conversation

    Check the result next to another model, then refine it step by step in Conversational Edit.

Made with GPT Image 2.5

Real results from the apps that run on it, as they came out.

  • Two-story brick and dark-clad suburban house photoreal render with bay windows and lush front landscaping
  • Clay-walled studio photograph with curved butterfly roof, glass fronts and brick path
  • Modern public building with repeating blue angular facades and large glass entrance.

Ideas for your work

What people get out of GPT Image 2.5, by the kind of work they do.

  • Rendair for Architects

    Turn a written brief into a first image

    Paste the key points of a client brief and get a first visual to react to in the same meeting.

  • Rendair for Interior Designers

    Moodboards from a single render

    Pull the palette and materials of a render into a moodboard you can share with suppliers or the client.

  • Rendair for Builders

    Signage and wayfinding mockups

    Show shopfronts, site boards and signage with readable lettering in context.

What it is good at

GPT Image 2.5, from OpenAI, is a fast all-round model for generating and editing images. It is especially good at following long, specific instructions, which makes it a reliable choice for everyday work.

When to pick it

  • Your prompt is detailed and you want each part of it respected.
  • The image needs readable text, such as signage, labels or a shopfront name.
  • You want results quickly and plan to refine them in Conversational Edit.

What to watch for

  • For the most precise edits and the finest detail, GPT Image 2.5 Pro takes longer but goes further.
  • When the render must match a drawing exactly, compare it with Rendair v2.

About GPT Image 2.5

GPT Image 2.5 is part of ChatGPT Images 2.5, which OpenAI released in September 2026. OpenAI describes it as up to 50% faster than Images 2.0, with precise edits that change only the requested area and stay consistent over many rounds of edits.

GPT Image 2.5 at a glance

Spec

Details

Made by

OpenAI

Output

Image

Inputs

A text prompt, a base image and up to 4 reference images

Aspect ratios

Same as the base image, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16

Typical time per result

About 30 seconds

Frequently asked questions

GPT Image 2.5 or GPT Image 2.5 Pro?

Start with GPT Image 2.5 for speed. Switch to the Pro version for the final round, when precise edits and fine detail matter.

Is GPT Image 2.5 good at text?

Yes. It handles readable text well, which helps with signage, shopfronts and labels.

Can I edit with it?

Yes. It runs in Edit Canvas, Conversational Edit and Remove Objects as well as the create apps.

Where it fits

The work this model is picked for, from concept to client meeting.

All Use Cases

Start with one of these apps

Pick GPT Image 2.5 from the model menu, or let the app choose.

All Apps

Other models

All Models

Try GPT Image 2.5 on your own project

Free to start. No card, no plugin, nothing to install.