# Claude Code vs Codex CLI vs Antigravity CLI vs OpenCode

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## Article Metadata
- Title: Claude Code vs Codex CLI vs Antigravity CLI vs OpenCode
- Summary: Codex CLI is on every ChatGPT plan, Claude Code starts at $20, agy replaced Gemini CLI on June 18, 2026 and OpenCode is MIT. Sandbox and pricing compared.
- Published: Sep 24, 2026, 1:22 PM EDT
- Updated: Sep 24, 2026, 2:38 PM EDT
- Category: Research
- Primary topic: Claude Code
- Authors: Theo Martin
- Read time: 15 min
- Language: en_US
- Publication time zone: America/New_York (U.S. Eastern Time)
- Access: Free to read

## Topic Links
- [Research](https://threatfrontier.com/categories/research): Category archive for related coverage.
- [Claude Code](https://threatfrontier.com/tags/claude-code): 4 public articles in this topic.

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