Overview
nao is an AI-powered data IDE designed for analysts, engineers, and scientists. It enables users to write SQL, Python, or dbt workflows, preview changes, catch issues early, and deploy confidently. nao connects directly to your warehouse, understands your schema, and provides a context engineering framework to build reliable analytics agents. It is 100% open source and can be self-hosted.
Woz (WOZCODE) is a plugin for Claude Code that supercharges AI-assisted coding. It improves performance by 25% on TerminalBench 2.0, speeds up tasks 2β3Γ (up to 10Γ on database tasks), and reduces token usage by 8β15%. It works seamlessly with Claude Code, VS Code, and Cursor, and is free for individuals.
Feature Comparison
| Feature | nao | Woz |
|---|---|---|
| Primary Use Case | AI-powered data IDE for analytics and data pipelines | Plugin to optimize Claude Code performance and cost |
| Target Audience | Data teams (analysts, engineers, scientists) | Developers using Claude Code |
| Core Functionality | Context engineering for analytics agents; build, test, deploy | Improves Claude Code's TerminalBench score, speed, and cost |
| Deployment | Self-hosted or cloud; connects to warehouses | Plugin installed via Claude Code marketplace; runs locally |
| Integration | Databases, dbt, Looker, Airflow, GitHub, Notion, Slack, Teams, WhatsApp, Telegram | Claude Code, VS Code, Cursor |
| Open Source | 100% open source | Plugin source available; core proprietary |
| Pricing Model | Free (open source) with optional paid services | Free for individuals; enterprise pricing likely |
| Key Metric | Context reliability (81.8% test pass rate) | TerminalBench 2.0 score 94% vs 69% for Claude Code alone |
Pricing
nao is free and open source. You bring your own LLM key and pay only token consumption. Optional paid services and support are available for enterprises.
Woz is free for individuals with no account needed. It claims to save $100/month in Claude Code costs. Enterprise pricing is not publicly listed.
Pros and Cons
nao
Pros:
- Comprehensive context engineering for analytics agents
- Supports multiple LLMs (Claude, Gemini, GPT, Mistral, Ollama)
- Integrates with many data tools and messaging platforms
- Self-hosted for maximum data security
- Open source with active community
Cons:
- Steeper learning curve for context engineering
- Requires setup and maintenance of infrastructure
- Best suited for data teams, not general developers
Woz
Pros:
- Plug-and-play with Claude Code β minimal setup
- Proven performance gains (25% better TerminalBench score)
- Cost savings (8-15% lower token usage)
- Runs locally β no data leaves your machine
- Free for individuals
Cons:
- Limited to Claude Code ecosystem
- Not open source (plugin source available but core proprietary)
- Narrower integration scope (no data warehouse or messaging support)
- Enterprise pricing unclear
Verdict
Choose nao if you are a data team needing a full-featured, open-source AI agent for analytics, pipeline building, and collaboration across multiple tools. Choose Woz if you are a developer using Claude Code and want a quick, cost-saving plugin to boost coding performance without leaving your terminal.

