Top 5 AI UI Design Tools in 2026: I Tested Them All With the Same Prompt

Short summary

Author tested five AI UI design tools (Flowstep, Google Stitch, Figma Make, Lovable, Base44) with identical SaaS project management prompts, evaluating design consistency, code quality, and developer workflow integration. Tools diverge in approach: some output design files, others generate working applications. Evaluation prioritizes multi-screen design system coherence and practical usability over visual polish.

• •Five tools tested with same prompt: Flowstep, Google Stitch, Figma Make, Lovable, Base44
• •Key criteria: design consistency across screens, code generation quality, developer workflow fit
• •Tools solve different problems—design accelerators vs. full application generators

Generated with AI, which can make mistakes.