# Zero — AI Coding Tool Review & Pricing

> Zero is a terminal-based AI coding agent designed for local ownership, privacy, and full control over your development environment. It features durable local sessions, OS-level sandboxing for permissions, and support for over 25 model providers or local models.

Source: https://ai.dosa.dev/tools/zero · Updated Oct 15, 2026 · Category: Terminal & CLI Agents · Published by dosa.dev

## At a glance

- **Tool**: Zero
- **Company**: Gitlawb
- **Category**: [Terminal & CLI Agents](https://ai.dosa.dev/category/cli-agents)
- **Pricing model**: Open Source
- **Official website**: https://github.com/Twigpine/zero

## Key features

- Durable local sessions that are searchable, resumable, and forkable
- Comprehensive permission gating and OS-level sandboxing for all side effects
- Support for 25+ model providers (including Ollama, LM Studio, and OpenAI-compatible endpoints)
- Agent orchestration via specialist subagents and parallel task execution
- Scriptable headless operation for CI/CD pipelines

## Pricing

**Model**: Open Source

MIT licensed; free to use with your own API keys (Bring Your Own Key).

## Who it is for

- **Best for**: Privacy-focused developers who require a terminal-first coding agent with full ownership of data, session history, and execution environments.
- **Not ideal for**: Users who prefer a cloud-native or zero-configuration experience that does not require managing local API keys or model configurations.

## Verdict

Zero is a powerful, transparent, and highly secure terminal agent that excels for power users who want a privacy-first workflow with deep control over agent behavior.

## Recent updates

Version 0.9.0 (September 2026) introduced ACP for portable session lists and resumes, added structured file change emission, and enabled interactive terminal attachment for TTY exec sessions.

## Frequently asked questions

### Is Zero free?

Yes - Zero is Open Source. MIT licensed; free to use with your own API keys (Bring Your Own Key).

### Is Zero open source?

Yes - Zero is open source. MIT licensed; free to use with your own API keys (Bring Your Own Key).

### Who is Zero best for?

Privacy-focused developers who require a terminal-first coding agent with full ownership of data, session history, and execution environments.

### Who is Zero not ideal for?

Users who prefer a cloud-native or zero-configuration experience that does not require managing local API keys or model configurations.

### What are the best Zero alternatives?

The closest Zero alternatives on ai.dosa.dev are Claude Code, Codex CLI, Amp - all listed under Terminal & CLI Agents.

### Who makes Zero?

Zero is developed by Gitlawb. It is listed in the Terminal & CLI Agents category on ai.dosa.dev.

## Top alternatives

- [Claude Code](https://ai.dosa.dev/tools/claude-code) (Freemium) — Solo founders, indie hackers, and developers working in real-world codebases who need help with complex, multi-file engineering tasks like refactoring and bug fixing.
- [Codex CLI](https://ai.dosa.dev/tools/codex-cli) (Freemium) — Developers needing a terminal-integrated agent for coding tasks, local repository refactoring, automated testing, and code reviews.
- [Amp](https://ai.dosa.dev/tools/amp) (Freemium) — Developers who need autonomous agents to handle long-running tasks, code reviews, testing, and complex multi-step feature implementation across different environments.
- [Aider](https://ai.dosa.dev/tools/aider) (Open Source) — Developers comfortable with command-line workflows who want full control over model selection, git-centric history, and cost-efficient coding without subscription markups.
- [Gemini CLI](https://ai.dosa.dev/tools/gemini-cli) (Freemium) — Developers who need AI-powered coding assistance, terminal-based automation, and direct control over their workflow within their local shell.
- [Goose](https://ai.dosa.dev/tools/goose) (Free) — Developers and teams who require a vendor-neutral, highly extensible agent platform that supports local execution and complex, multi-step workflow automation.
- Full alternatives guide: https://ai.dosa.dev/tools/zero/alternatives