Side by side
1UI vs C1 Artifacts API - Thesys
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Generate pixel-perfect UI designs with AI in seconds.
Make AI apps respond with interactive UI in real-time.
Primary task
UI design
UI design
Pricing
Paid · from $29/mo
Freemium · Free + from $49/mo
Pricing details
from $29/mo
Free + from $49/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Listed as available
Platforms
Web
Web
Integrations
Figma
Make, MCP
Source rating
4.3 / 5 · 3 ratings
No rating recorded
Catalog views
31k
11k
Estimated monthly traffic
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Catalog imported
30 Aug 2026
31 Aug 2026
Listed strengths
- Custom interface automation
- Transforms prompts into specifications
- Natural language processing
- High-speed design generation
- Contextual images generation
- Produces high-quality slides
- Generates reports within applications
- Interactive app response
- Provides immediate response
- Generative UI capabilities
Listed limitations
- Not open source
- No API integration
- No real-time collaborative features
- Figma exclusive for imports
- No free tier in pricing
- Only integrates in-app
- Limited standalone functionality
- Generative UI specificity
- Limited to UI generation
- Constrained real-time responsiveness