Lock a base image
Render the scene once and agree on it. Every variation then starts from the same image.
OpenAI · GPT Image 2.5 × Material variations
Test material and color options on one render with GPT Image 2.5 in RenderChat. Upload your render or model view, describe what you want, and refine the render in chat.


Drag to compare the render or model view with the GPT Image 2.5 render. Input is an AI-generated example.
Before you start
Material decisions are easier when options sit side by side in the same image. Start from a render or model view, then ask RenderChat for one change at a time — cabinet color, worktop stone, facade cladding — while the rest of the scene stays put.
Render the scene once and agree on it. Every variation then starts from the same image.
One material per request makes it clear what changed and keeps the rest stable.
Attach a photo of the actual material sample when color accuracy matters.
How it works
by OpenAI
Lock a base image, change one thing per message and use real samples. The checklist above has the details.
The start button on this page opens a new chat with GPT Image 2.5 Sunburst selected. You can also pick it from the model menu in the composer.
Attach the image and say what must stay, then the materials, light, setting and people. Start from an example brief below.
Ask for changes in follow-up messages. GPT Image 2.5 continues the same conversation, so a short instruction such as "warmer light, keep everything else" is enough.
Download the image at the resolution you chose (1K).
Example briefs
Copy a brief, paste it into RenderChat with your render or model view, and change the materials and mood to match your project.
Keep everything in this kitchen render exactly the same and change only the cabinet fronts to dark green lacquer.
Keep everything the same and change only the worktop and splashback to terrazzo with small white and ochre chips.
GPT Image 2.5 in RenderChat
OpenAI's GPT Image 2.5, offered in RenderChat as two variants, Sunburst and Flare. Both run as native conversations, so every follow-up message keeps working on the same image thread. Sunburst is RenderChat's default model.
Quality check
Compare
RenderChat lets you switch models in the same chat. Run your render or model view through two or three and keep the result that respects your design best.
| Model | Maker | Output | References | Follow-ups | Plan | Guide |
|---|---|---|---|---|---|---|
| GPT Image 2.5This page | OpenAI | 1K | Supported | Continues the chat | Free | |
| Nano Banana Pro | 1K · 2K · 4K | Up to 14 images | Continues the chat | Pro | ||
| Nano Banana 2.1 | 1K · 2K · 4K | Up to 14 images | Continues the chat | Free | ||
| FLUX.2 Pro | Black Forest Labs | 1K | Up to 9 images | Fresh request | Pro | |
| Seedream 5.0 | ByteDance | 1K · 2K | Up to 10 images | Fresh request | Pro | |
| Kling O3 | Kuaishou | 1K | Up to 10 images | Fresh request | Pro | |
| Reve 2.1 | Reve | 4K | Up to 8 images | Fresh request | Pro | |
| Krea 2 | Krea | 2K | Up to 10 images | Fresh request | Pro | |
| Ideogram 4 | Ideogram | 1K · 2K · 4K | Up to 1 image | Fresh request | Pro | |
| GPT Image 2 | OpenAI | 1K | Supported | Continues the chat | Pro | |
| Nano Banana 2 Lite | 1K | Up to 14 images | Continues the chat | Pro |
More with GPT Image 2.5
FAQ
Yes. GPT Image 2.5 is available on the Free plan as well as Pro.
GPT Image 2.5 renders at 1K in RenderChat, with auto + 10 fixed ratios.
Yes. GPT Image 2.5 runs as a native conversation in RenderChat, so each follow-up continues from the previous turn. Short edit instructions work well.
Use the start button on this page — it opens a new chat with GPT Image 2.5 Sunburst selected — or choose it from the model menu in the chat composer.
Ask for a single change and say everything else stays. Check the result against the base image and correct anything that moved.
Attach a photo of the product or sample. The render is an approximation, so confirm the final color with the physical sample.
Open RenderChat with GPT Image 2.5 selected, upload your render or model view and start from one of the briefs above.
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