Side by side
C1 Artifacts API - Thesys vs Sleek AI
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Make AI apps respond with interactive UI in real-time.
Design mobile apps in minutes by chatting with AI.
Primary task
UI design
UI design
Pricing
Freemium · Free + from $49/mo
Free Trial · Trial; then from $20/mo
Pricing details
Free + from $49/mo
Free + from $20/mo
Billing cycle
Monthly
Monthly
API access
Listed as available
Not documented
Platforms
Web
Web, iOS, Android
Integrations
Make, MCP
Figma
Source rating
No rating recorded
No rating recorded
Catalog views
11k
126
Estimated monthly traffic
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Catalog imported
31 Aug 2026
29 Aug 2026
Listed strengths
- Produces high-quality slides
- Generates reports within applications
- Interactive app response
- Provides immediate response
- Generative UI capabilities
- Designs both iOS and Android apps
- No specialized design experience required
- Editable generated designs
- Allows quick iterations and refinements
- Exports designs to Figma or Code
Listed limitations
- Only integrates in-app
- Limited standalone functionality
- Generative UI specificity
- Limited to UI generation
- Constrained real-time responsiveness
- Limited to mobile design
- Dependent on Figma for edits
- Inability to integrate with other design software
- Limited free plan
- Lacks standalone capability