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Generate images

Ask for a picture in plain language and Mythex makes one. It appears in chat as it is drawn, and stays there whether or not it ever goes into your app. A generated image in chat

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Ask for one

In the project workspace chat, just say what you want:
  • “generate an image of a mountain lake at sunrise”
  • “make a hero image for the landing page — a ceramic mug on a wooden desk”
  • “I need an og:image with the words Ship Faster on it”
Or use the Create image command: type /image, or open the + menu next to the composer and pick it. Either arms the command, then you describe the picture. Create image in the + menu

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Generating, then generated

While the picture is being drawn you get a placeholder in its final shape, filling in as it goes. It never moves: the image replaces the placeholder exactly where it sits. The placeholder while an image is generated Click any generated image to open it full size.

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Asking for several

Ask for more than one and they come back as a row you can scroll, rather than a stack you have to scroll past. Several generated images in one row Mythex will make up to eight images in one message. Past that it stops and asks, so a misunderstanding cannot quietly spend your credits.

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Where the files go

Generated images are saved to .mythex/images/ in your project — alongside plans, separate from your app’s own source. Asking for a picture does not change your app. When you want one in the app, say so:
  • “put that on the homepage”
  • “use it as the hero image”
  • “add it to the About section”
Mythex then copies it to wherever your project serves static files from — public/ for Vite, Next or Remix, static/ for Django or SvelteKit, src/main/resources/static/ for Spring Boot — and wires it into the page. It works this out from your project rather than assuming, so the same request works whatever you built with.

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Editing a picture

You can change one you already have, rather than starting over:
  • “take that trail sign image and carve ‘Hello World’ into it”
  • “make the lighthouse image a daytime scene”
  • Attach your own photo and ask for an edit
The original stays as it was; the edit is saved as a new image.

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Quality and shape

By default Mythex uses the fast model, which takes about eight seconds and suits nearly everything. Ask for better when the picture is a centrepiece — “make it high quality” — and it will use a slower, more detailed model. Shape comes from what you ask for, or from where it is going:

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Stock photos instead

For ordinary real-world photography — a person at a laptop, a plate of food, a city street — Mythex searches Unsplash and Pexels instead. That is free, instant, and usually better than a generated substitute. It shows you what it found under the search in chat. Generation is for what stock cannot give you: a specific scene, art in your app’s own style, a graphic with your words in it.

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What it costs

Each generated image costs credits — roughly 0.7 credits for a standard one, more for larger or higher-quality renders. A stock photo search costs nothing. Mythex is deliberately sparing: a grid of twelve cards takes one generated image used twelve ways, not twelve generations. If an image fails, you are not charged for it. See Credits for how credits work.

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Limits

  • Output is always JPEG
  • Logos come back as a drawn mark plus real text, not generated lettering — generated type is unreliable at small sizes
  • Up to eight images per message