Overview
Woz (WOZCODE) is a plugin for Claude Code that supercharges AI-assisted coding performance, speed, and cost efficiency. It delivers 25% better performance on TerminalBench 2.0, 2–3× faster task completion, and 8–15% lower cost. Once UI 1.5 is a Next.js design system and component library that helps developers build expressive, live interfaces with 70% less code. It includes 100+ open-source components, real-time charts, and visual effects like weather and particles.
Feature Comparison
| Feature | Woz | Once UI 1.5 |
|---|---|---|
| Primary Function | AI coding assistant plugin | Next.js design system & UI library |
| Target Audience | Claude Code users | Indie builders, solo founders, small teams |
| Integration | Claude Code, VS Code, Cursor | Next.js exclusive |
| Performance | 25% better benchmarks, 2-3x faster | 70% less code writing |
| Components | None | 100+ open-source pre-styled components |
| Open Source | Not specified | Yes, MIT license |
| Pricing | Free plugin, $100/month savings | Free core, Pro version available |
| Theming | Not applicable | Single-file design token management |
| Real-time Data | Not applicable | Live dashboards, charts, gauges |
| Community | 4,600+ sessions, $21k saved | 1.2k+ Discord, public roadmap |
Pricing
Woz: Free plugin for Claude Code. No account required for individuals. Claims $100/month in free savings on Claude Code usage. The plugin is installed via the Claude Code plugin marketplace.
Once UI 1.5: Open-source core is free with MIT license. Pro version is available with additional features, though specific pricing is not listed on the page. A 25% birthday discount is mentioned for the Pro version.
Pros and Cons
Woz Pros
- Significant performance boost for Claude Code (25% better benchmarks, 2-3x faster)
- Cost savings of 8-15% with lower token usage
- Easy installation via Claude Code plugin marketplace
- Runs locally, ensuring code and API keys never leave your machine
- Proven track record with over 4,600 sessions and substantial time/money saved
Woz Cons
- Limited to Claude Code ecosystem; not useful for non-AI coding tasks
- No component library or UI design features
- Requires Claude Code subscription to use
Once UI 1.5 Pros
- Comprehensive design system with 100+ open-source components
- Reduces code writing by up to 70% with human-readable syntax
- Single-file theming and design token management
- Includes advanced visual effects (weather, particles, matrix dots) and real-time charts
- Strong community support with Discord, public roadmap, and case studies
Once UI 1.5 Cons
- Exclusive to Next.js, limiting use to that framework
- Pro version pricing not transparent on the page
- No AI coding assistance features
- May require learning Once UI's specific syntax and conventions
Verdict
Choose Woz if you're a Claude Code user looking to maximize AI coding performance and reduce costs. Choose Once UI 1.5 if you're building a Next.js application and want a rich, expressive design system with minimal code. They serve entirely different purposes, so your choice depends on whether you need AI optimization or UI development tools.