Sleek
Sleek is a proprietary cloud-hosted coding environment for AI-assisted coding, built by Sleek (released 2025-11). Sleek's verified model list is still being expanded, so this page emphasizes runtime shape, pricing, and comparable AI coding harnesses. Pricing: Free plan with limited AI usage; paid plans for more projects and credits. It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup.
Overview
AI mobile-app designer that generates iOS and Android screens from prompts or images, supports visual editing, exports to Figma or code, and can be driven by coding-agent skills.
Compare Sleek side-by-side with other CLI, IDE, cloud, and framework agents on pricing, model coverage, and release cadence.
Best LLMs for this agent
Pricing and Provider Comparison
Hosted agents expose plan pricing. Bring-your-own-key agents pass the main cost through the model provider route you configure.
Featured Model Specs
Model Compatibility Matrix
Underlying Models
Compare to Similar Harnesses
FAQ
What is Sleek?
Sleek is a proprietary cloud-hosted coding environment for AI-assisted coding, built by Sleek (released 2025-11). It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup. It is primarily used for browser-based autonomous development and task delegation.
How much does Sleek cost?
Sleek costs Free plan with limited AI usage; paid plans for more projects and credits.
Is Sleek open source?
No, Sleek is a proprietary cloud-hosted coding environment.
What are alternatives to Sleek?
Alternatives include Claude Science, Copilot Cowork, and Claude Finance.
When was Sleek released?
Sleek was released in 2025-11.