Compare Google Antigravity alternatives for agentic development platforms, terminal agents, AI-native editors, and delegated coding when you want a different agent surface or model stack.
Gemini CLI is the first Google Antigravity alternative to compare: The open-source, terminal-first entry into Google's coding stack; free to start. Keep Google Antigravity only when its current workflow still fits the job better.
The open-source, terminal-first entry into Google's coding stack; free to start.
A Claude-native terminal agent that reads the codebase, edits files, runs tests, and returns a diff.
The proven AI-native editor when you want a hands-on editor rather than a full agent platform.
OpenAI's repo-aware agent across web, CLI, IDE, and cloud tasks for multi-surface delegation.
Gemini CLI is the closest alternative inside Google's stack — an open-source terminal agent that is free to start. For a delegated repo agent from another provider, Claude Code or Codex are strong choices.
Use Gemini CLI when you want a free, open terminal agent in the Google stack. Use Claude Code or Codex when you want a delegated repo agent from another provider. Use Cursor when you want a hands-on AI-native editor rather than a full agent platform.
Gemini CLI is the closest alternative inside Google's stack — an open-source terminal agent that is free to start. For a delegated repo agent from another provider, Claude Code or Codex are strong choices.
Gemini CLI is open source and free to start, and Antigravity itself has a free Individual plan. GitHub Copilot and Cursor also have free tiers, so you can evaluate several without paying.
Codex spans web, CLI, IDE, and cloud tasks as a multi-surface agent, which is the closest to Antigravity's platform breadth. Cursor is editor-centric, and Gemini CLI and Claude Code are terminal-first.