Prototyping with canvas in ChatGPT
ChatGPT canvas now ships HTML/React prototyping. From PRD to working code in one conversation.
Why it matters
OpenAI's canvas feature—a side-by-side code editor in ChatGPT—is moving from code snippets to full-prototype workflows. This is a product capability that changes how teams prototype, but the article is a how-to guide, not a feature announcement or availability change.
The key facts
10 to knowCanvas in ChatGPT supports HTML/React prototyping workflows
Workflow: product requirements document → working prototype
Article is a tutorial/how-to guide, not a feature release or availability announcement
Published April 13, 2025
No pricing, rollout status, quota limits, or comparative performance data disclosed
Canvas feature in ChatGPT enables side-by-side PRD-to-prototype workflow
Supports HTML/React code generation and real-time preview
Published as a business/learn guide by OpenAI (not a feature announcement)
No GA date, pricing, or availability details disclosed
Appears to be evergreen educational content, not a breaking release
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: See how to go from a product requirements document to a working HTML/React prototype using canvas in ChatGPT.