Claude Code
Anthropic's agentic coding tool for the terminal, included with Claude Pro and Max subscriptions.
13 tools you can use instead of Google Antigravity, ranked by live GitHub stars and npm downloads. Claude Code, Open Interpreter and GPT Engineer are the most used. Stats updated 5 hours ago.
Cursor is the closest alternative: an AI code editor with agent features and a free Hobby plan. Claude Code is a terminal coding agent included with Claude Pro and Max, and GitHub Copilot adds agents to the editor you already use.
Google Antigravity is Google's agentic development platform, combining a command center for managing multiple AI coding agents, a terminal-based CLI, an IDE and an SDK for custom agent development. It's currently available at no charge for individual developers, with separate enterprise options for organizations.
It is a weaker choice for:
Most used first.
Anthropic's agentic coding tool for the terminal, included with Claude Pro and Max subscriptions.
Open source coding agent for running code locally with low-cost and open-weight AI models.
Early open source tool for generating an entire codebase from a natural-language prompt.
Open source AI pair programming tool that runs in the terminal and edits your codebase with git commits.
Early open source, single-file AI agent for scaffolding a small application from a prompt.
AWS's AI coding and cloud assistant, successor to Amazon CodeWhisperer, with a free and $19 a month Pro tier.
Sourcegraph's AI coding assistant, built on large-scale code search across an entire codebase.
AI-powered code editor built on VS Code, made by Anysphere.
AI-first code editor with agentic coding features, plans from free Hobby to $40 a user a month for Teams.
GitHub's AI pair programmer, with code completions, chat and coding agents in the editor.
AI coding assistant built into JetBrains IDEs, priced through a monthly AI Credit system.
Fast AI code completion tool with a large context window, owned by Cursor's maker Anysphere.
AI code completion tool, acquired by Tricentis in 2026 to power enterprise AI testing agents.
| Tool | Pricing | Free plan | Paid from | Open source | GitHub stars |
|---|---|---|---|---|---|
| Google Antigravity | Free | Yes, available at no charge for individual developers | Contact Google for Enterprise pricing | No | None |
| Claude Code | Freemium | No standalone free tier; included with paid Claude Pro and Max subscriptions | $20 a month (Claude Pro, monthly) or $17 a month billed annually | No | 150k |
| Open Interpreter | Open source | Yes, fully free and open source | Not listed | Yes, AGPL-3.0 | 68.5k |
| GPT Engineer | Open source | Yes, fully free and open source | Not listed | Yes, MIT | 55.1k |
| Aider | Open source | Yes, Aider itself is free; you pay your chosen LLM provider directly for API usage | Not listed | Yes, Apache-2.0 | 49.4k |
| smol-developer | Open source | Yes, fully free and open source | Not listed | Yes, MIT | 12.2k |
| Amazon Q Developer | Freemium | Yes: 50 agentic requests a month and 1,000 lines of code transformation a month | $19 per user a month (Pro tier) | No | None |
| Cody | Paid | A free trial is available; contact Sourcegraph for current details | $16,000 minimum annual contract (Enterprise) | No | None |
| Cursor | Freemium | Yes (Hobby): limited agent requests and access to Composer, no credit card required | $20 a month for Individual | No | None |
| Cursor 3 | Freemium | Yes: Hobby plan with limited agent requests and access to Composer, no credit card required | $20 a month (Individual plan) | No | None |
| GitHub Copilot | Freemium | Yes: 2,000 code completions and 50 chat requests a month, no AI credits included | $10 a month for Copilot Pro | No | None |
| JetBrains AI | Freemium | Yes: AI Free tier includes 3 AI Credits per 30 days, no top-ups | $10 a month (AI Pro, 10 AI Credits per 30 days) | No | None |
| Supermaven | Freemium | Yes: fast code suggestions, large codebase support, 7-day data retention | $10 a month for the Pro plan | No | None |
| Tabnine | Freemium | Historically yes, with a free tier for individual developers; confirm current availability on Tabnine's site | Contact Tabnine or Tricentis for current pricing | No | None |
Pricing facts come from each tool's official pricing page, with the checked date on the tool's own page.
By GitHub stars, Claude Code is the most used alternative to Google Antigravity listed on ScratchDB, with 150k stars.
Open Interpreter, GPT Engineer, Aider and smol-developer are open source.
Open Interpreter, GPT Engineer, Aider, smol-developer, Amazon Q Developer, Cursor, Cursor 3, GitHub Copilot, JetBrains AI and Supermaven have a free plan. The table on this page shows what each one includes.