Side by side
| Feature | Google Antigravity | Greptile |
|---|---|---|
| What it does | Agentic development platform from Google for building software with AI agents, from a desktop IDE to a terminal CLI and SDK. | AI code review agent that indexes your whole codebase and reviews pull requests for bugs and style issues, for engineering teams. |
| Price from | 30 USD/mo | 30 USD/mo |
| Free plan | yes | yes |
| Platforms | web, api, mac, windows, linux | web, api |
| API | yes | not stated |
Google Antigravity: key features
- Multiple local agents managed in parallel from one command center
- Projects for grouping conversations across workspaces
- Scheduled messages to automate routine tasks
- Terminal CLI for autonomous coding agents and shell commands
- Python SDK for building custom agents on the same harness
- Agentic IDE with agent manager, artifacts and codebase understanding
Greptile: key features
- Indexes the whole repository as a graph of files, functions and dependencies
- Parallel agents review pull requests and assess impact beyond the diff
- Custom review rules written in plain English
- Learns coding standards from engineers' PR comments
- Greptile MCP and Claude Code plugin to resolve comments with coding agents
- TREX runtime validation of PR branches in a sandbox (beta)
FAQ
Is Google Antigravity or Greptile better?
It depends on the job - compare prices, free plans and features in the table above.
Are Google Antigravity and Greptile free?
Google Antigravity: Yes, there is a free plan. Free plan without subscription: access to a variety of agent models, unlimited Tab completions, unlimited Command requests, basic weekly rate limits. Greptile: Yes, there is a free plan. Starter plan is free for one active developer, with unlimited repositories and 50 credits per month. A 14-day free trial is offered for Pro.