If you searched “Flux in ChatGPT”, here’s the short answer: ChatGPT doesn’t include Flux. Its built-in images come from OpenAI’s own model. You can still use Flux Fast inside ChatGPT by adding AiWings as a plugin. It takes about two minutes, and after that you just ask for Flux by name.
What you need
- A ChatGPT account on a plan that lets you add custom MCP plugins.
- An AiWings account (sign in with Google). Usage comes from your AiWings credits.
- About two minutes.
Step 1: Add AiWings to ChatGPT
You only do this once. After that, Flux is available in every new ChatGPT chat.
- 1In ChatGPT, open Plugins in the sidebar and click Add.
- 2Choose Add custom MCP server and name it AiWings.
- 3Paste the server URL below and keep Authentication set to OAuth.
- 4Tick the confirmation box and click Create as a plugin.
- 5Sign in to AiWings when the window opens and allow access.
https://aiwings.io/api/mcpStep 2: Ask ChatGPT for a Flux image
Start a new chat and name the model in your request. ChatGPT calls the AiWings image tool, runs Flux, and shows the result right in the conversation.
Use Flux Fast to make a 3:2 macro photograph of a brass mechanical garden with tiny gears and flowers, in sharp detail.Flux Fast makes an image in about two seconds. That makes it great for exploring ideas. Here are real, unedited results:
Step 3: Draft fast, finish with a bigger model
The best way to use Flux Fast is as a sketchpad. Ask for six or eight variations of an idea, pick the winner, and then re-run that prompt on a higher-quality model for the final image. Because all models share one balance, switching is just a different name in the request.
Use Flux Fast to make six different 1:1 concepts of a lightbulb with a tiny rainforest growing inside it. Then I’ll pick one and we’ll redo it at higher quality.A Flux Fast draft costs one credit. When you’ve picked a direction, ask for the same prompt with Nano Banana 2 or GPT Image at high quality.
Flux Fast at a glance
AiWings offers Flux Fast, a draft-speed model that makes an image for a single credit. It works the same way everywhere you add it:
| Model | Sizes | Reference images | Cost per image | Best for |
|---|---|---|---|---|
| Flux Fast | 1K | None (text only) | 1 credit ($0.01) | Drafts, quick concepts, clean product shots |
Prices are at the top-up rate of $0.01 per credit, and plans include more credits per dollar. At 1 credit ($0.01) an image you can try dozens of ideas for a dollar. To stop naming the model every time, say “make Flux Fast my default”.
Tips for ChatGPT and Flux
- Ask for many variations in one request: each draft costs a single credit.
- Keep prompts visual and specific: subject, material, light, and the shape you want.
- Use odd shapes: Flux Fast supports 21:9 and even 9:21 for tall panoramas.
- Flux Fast doesn’t edit photos, so describe the whole scene each time.
- Re-run the best draft on a higher-quality model when you need a final image.
If something doesn’t work
- ChatGPT made the image itself or said it can't: start the request with “Use Flux” or “Use the AiWings plugin”.
- The plugin isn’t listed: check that it’s turned on for the chat, or remove it and add it again with the same URL.
- Sign-in loops: allow pop-ups for chatgpt.com and finish the AiWings sign-in in the same browser.
- Out of credits: top up from your AiWings dashboard, then ask ChatGPT to try again.
Bottom line
Flux isn’t a setting you can switch on in ChatGPT, but with AiWings added as a plugin it’s one sentence away. The same plugin also gives ChatGPT Nano Banana, GPT Image, Imagen and Seedance video, all from one balance.
FAQ
Can ChatGPT use Flux natively?
No. ChatGPT doesn’t include Flux. You add it with AiWings, then ask for Flux Fast by name.
Which Flux model is it?
AiWings offers Flux Fast, a fast version built for drafts and quick ideas. It makes 1K images in about two seconds for a single credit.
Can Flux Fast edit my images?
No. Flux Fast makes images from a text prompt only. For edits, ask for a model that takes reference images, such as GPT Image, Nano Banana or Seedream, through the same connection.
Which ChatGPT plans can add the plugin?
Any plan where ChatGPT lets you add a custom MCP server as a plugin. Availability depends on your plan and workspace settings, so check the Plugins page in ChatGPT.