AI-native design engine · Reframe vs Stitch by Google
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 Stitch by Google leads with 664 upvotes

Programmable design engine for AI agents. Open-source.
Reframe is an innovative, open-source AI-native design engine tailored for developers and designers who want to integrate AI-driven design workflows into their projects. It leverages Claude Code subscriptions to spawn in-canvas AI agents without the need for API keys or token management, making it accessible and streamlined. The tool offers powerful features such as chat UI, right-click macros for quick rebranding, theming, scaling, rotating, and fixing designs, along with a comprehensive pipeline that transforms AI-generated code into structured HTML and DESIGN.md files. Its deterministic approach ensures consistent outputs, supported by a robust set of six MCP-native tools for design, compilation, inspection, editing, exporting, and project management. Ideal for those who want AI-enhanced design integrated directly into Git workflows, Reframe empowers developers to automate and fine-tune their UI/UX processes efficiently.
Pros
- Open-source with no API key or token billing required, reducing operational overhead
- Deep integration with Claude Code and MCP-native tools for seamless workflows
- Deterministic outputs ensure consistent and reliable results
- Rich feature set including macros, theming, scaling, and multi-format exports
- Supports AI-generated HTML and design documentation, facilitating developer collaboration
Cons
- Relatively niche, primarily suited for developers comfortable with AI and code-based design
- Lacks a graphical or drag-and-drop interface for non-technical users
- Limited community and user base given its niche open-source status
Best for
- • Automating UI/UX design processes within development pipelines
- • Generating HTML and design documentation directly from AI prompts
- • Customizing and theming AI-generated designs via macros and right-click tools
- • Integrating AI design tools into version-controlled projects in Git
Pricing: Reframe is open-source and free to use, with no API fees or token charges. It relies on the user’s Claude Code subscription for AI agent spawning, which may involve its own subscription costs. Overall, it offers a cost-effective solution for AI-native design workflows, especially for developers already using Claude or MCP-based tools.

Turn napkin sketches into production-ready UI in seconds.
Stitch by Google is an innovative design tool that transforms simple napkin sketches into fully editable, production-ready UI designs within seconds. Tailored for founders, product managers, and developers who need rapid prototyping without the time-consuming process of manual mockups, Stitch leverages AI to streamline the design workflow. Its standout feature, Hatter, enables multi-step design tasks, making complex UI creation more accessible and efficient. Additionally, the tool offers new capabilities like automated App Store asset generation and native MCP export, enhancing its utility for app development and deployment. Free to use, Stitch aims to bridge the gap between initial concept sketches and polished UI prototypes, reducing turnaround times and empowering teams to iterate faster. Its integration of AI-driven automation with user-friendly interfaces makes it a compelling choice for those seeking rapid, high-quality UI mockups without sacrificing flexibility or control.
Pros
- Rapid conversion of sketches into editable, production-ready UI designs
- AI-powered features like Hatter for handling complex multi-step design tasks
- Free to use, lowering the barrier for startups and small teams
- Supports export to real code, streamlining development workflows
- Additional tools for App Store asset generation and MCP export
Cons
- May have limitations in customizing highly complex or unique designs
- Dependent on the quality of initial sketches for best results
- Potential learning curve for users unfamiliar with AI-assisted design tools
Best for
- • Quickly turning hand-drawn UI sketches into prototypes for user testing
- • Accelerating the initial design phase for startups and product teams
- • Automating repetitive UI asset creation for app stores
- • Generating production-ready code snippets for development teams
Pricing: Stitch by Google is currently offered as a free tool, making it highly accessible for individuals and small teams. Details about premium features or plans are not specified, but the free access allows users to explore its core functionalities without upfront costs.