OpenUI
Claim this toolThe open standard for generative UI, enabling AI to respond with your custom user interfaces.
From $49/mo, billed monthly (free plan available) Visit WebsiteThe Bottom Line
- Price
- From $49/mo, billed monthly (free plan available). Compare plans
Key facts
- Enables AI to generate and respond with custom UI components.
- Provides an open-source toolkit for defining UI libraries for AI.
- Transforms AI text responses into interactive and structured user interfaces.
Pros
- Transforms AI responses into rich, interactive UIs
- Enhances user experience beyond text-only interactions
- Provides a structured way for AI to understand and use UI components
- Open-source and extensible
- Allows use of existing UI components
Cons
- Requires developer effort to define and register components
- AI model integration details are not explicitly detailed on the page
- Currently focused on React-like component definition
What is OpenUI?
Preview
Key Features
- Define custom UI components for AI generation
- Register components with `defineComponent`
- Create UI libraries with `createLibrary`
- Integrates with Zod for prop validation
- Generates structured UI responses from AI queries
- Open-source toolkit
Pricing Plans
Pricing checked Nov 3, 2026. Source: openui.com/pricing, read Nov 3, 2026
| Plan | Price | Details |
|---|---|---|
| Open source | Free |
|
| Free | $0 / mo |
+1 more Show less
|
| Build | $49 / mo | $588 annually
+1 more Show less
|
| Grow | $499 / mo | $5,988 annually
+2 more Show less
|
| Scale | Contact us | Custom
|
Is OpenUI worth the price?
OpenUI's pricing is fair for a managed API service that lets you bring your own LLM key.
The free tier (3K calls) is generous for experimentation, and Build at $49/mo for 25K calls is reasonable for small projects. Grow at $499/mo for 500K calls offers good volume pricing, making it best for developers building custom AI-driven UIs.
Hidden Costs & Gotchas
$0.002 per extra API call on Build tier
$0.001 per extra API call on Grow tier
How OpenUI's pricing compares
At $49/mo, billed monthly, OpenUI is the most premium of its 2 comparable direct competitors.
Not ranked, different unit or currency: Supernova $399/mo flat, whole organisation, billed monthly.
Entry paid plan, monthly price, billed monthly. Pricing checked Nov 3, 2026.
Recent pricing updates
Changes we detected on the OpenUI pricing page.
- Prices first read on the vendor page: Build $49 a month; Grow $499 a month.
OpenUI by the numbers
Toolradar data: OpenUI's entry paid plan ($49/mo, billed monthly) ranks #107 of 133 (joint) for price among the UI/UX Design tools with a verified entry price and no stated unit, where the median is $16/mo. As of Nov 2026.
| Metric | OpenUI | Peer median | Position (1 is best) |
|---|---|---|---|
| Entry paid plan | $49/mo, billed monthly | $16/mo | #107 of 133 (joint) tools with no stated price unit, verified price |
| Free plan | Yes | 75% have one | n/a |
| Listed as an alternative to | 3 tools | 2 | #133 of 441 (joint) |
| Compare-page visits, last 30 days | 28 visits | 35 | #99 of 162 (joint) tools with 20+ compare-page visits |
Visitors most often compare OpenUI with Thesys and Figma for Agents (last 30 days, Nov 2026).
Listed as an alternative to: #135 on 2026-10-16 to #133 on 2026-11-05 (rank among 441 tools, 1 is best).
Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All UI/UX Design data · How we compute this. Advertising and placement fees are not inputs to any position. Visit counts include visits from every source.
Cite this: Toolradar, “OpenUI by the numbers”, Nov 2026.
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OpenUI FAQ
How does OpenUI allow AI to 'understand' my UI components?
defineComponent and then create a createLibrary. This process involves specifying the component's name and its expected properties (props) with Zod schemas. This structured definition allows the AI model to understand the available components and their data requirements, enabling it to select and populate them appropriately based on a user's query.What kind of AI models can integrate with OpenUI?
Is OpenUI limited to specific UI frameworks like React?
@openuidev/react-lang and show React components. This suggests a primary focus or initial implementation for React. However, as an open standard and toolkit, it's plausible that support for other UI frameworks could be developed or contributed in the future, or that the core principles could be adapted.How does OpenUI handle dynamic data within the generated UI?
How does OpenUI pricing compare with other UI/UX Design tools?
Source: openui.com