Side by side
1UI vs 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.
Frontend infrastructure for AI products.
Primary task
UI design
UI design
Pricing
Paid · from $29/mo
Free Trial · Trial; then from $1.60
Pricing details
from $29/mo
Free + from $1.60
Billing cycle
Monthly
Pay-as-you-go
API access
Not documented
Not documented
Platforms
Web
Web
Integrations
Figma
MCP
Source rating
4.3 / 5 · 3 ratings
5.0 / 5 · 3 ratings
Catalog views
31k
1.6k
Estimated monthly traffic
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Catalog imported
30 Aug 2026
30 Aug 2026
Listed strengths
- Custom interface automation
- Transforms prompts into specifications
- Natural language processing
- High-speed design generation
- Contextual images generation
- Generative UI API
- Dynamic Real-time UIs
- Uses React SDK
- Supports Large Language Models
- Customizable Interfaces
Listed limitations
- Not open source
- No API integration
- No real-time collaborative features
- Figma exclusive for imports
- No free tier in pricing
- Requires engineering setup
- Depends on LLM accuracy and prompt quality for UI generation
- Outputs can vary slightly, making results non-deterministic
- Design system integration is still evolving
- Real-time rendering may add performance overhead at scale