# Best OpenAI Codex alternatives in 2026

> OpenAI Codex is listed under Coding AI (free plan, paid from $8/month). The closest alternatives on Finder Atlas in 2026 are Claude Code, Devin Desktop (formerly Windsurf) and Google Antigravity, with 5 more below.

- OpenAI Codex profile: https://finderatlas.com/tools/openai-codex
- Category: [Coding AI](https://finderatlas.com/categories/coding-ai)
- This page: https://finderatlas.com/tools/openai-codex/alternatives
- Last updated: 2026-10-20

## OpenAI Codex alternatives

- [Claude Code](https://finderatlas.com/tools/claude-code): Anthropic's coding agent that edits code and runs commands from terminal, IDE or browser (Paid · From $20/month · API · CLI, macOS, Windows) · [compare](https://finderatlas.com/compare/claude-code-vs-openai-codex)
  - Works across terminal, VS Code, JetBrains, desktop app, web and Slack with shared settings
  - Runs commands and tests and handles git commits and pull requests
- [Devin Desktop (formerly Windsurf)](https://finderatlas.com/tools/windsurf): Agent-first IDE for running local and cloud coding agents in one place (Freemium · Free plan, paid from $20/month · macOS, Windows, Linux) · [compare](https://finderatlas.com/compare/openai-codex-vs-windsurf)
  - Free plan with unlimited Tab completions and inline edits
  - Full IDE that stays compatible with VS Code and Windsurf extensions
- [Google Antigravity](https://finderatlas.com/tools/google-antigravity): Google's agent-first platform for building software with parallel AI coding agents (Freemium · Free plan, paid from $19.99/month · API · macOS, Windows, Linux) · [compare](https://finderatlas.com/compare/google-antigravity-vs-openai-codex)
  - Free Individual plan with unlimited Tab completions and Command requests.
  - Offers Gemini, Claude and GPT-OSS models in one tool.
- [Devin](https://finderatlas.com/tools/devin): Autonomous cloud software engineer that takes tickets through to tested pull requests (Freemium · Free plan, paid from $20/month · API · Web, CLI, API) · [compare](https://finderatlas.com/compare/devin-vs-openai-codex)
  - Tests its work in its own virtual machine and browser and records the session
  - Runs many sessions in parallel
- [Kiro](https://finderatlas.com/tools/kiro): Spec-driven agentic IDE from AWS that turns prompts into designs, tasks and code (Freemium · Free plan, paid from $20/user/mo · macOS, Windows, Linux) · [compare](https://finderatlas.com/compare/kiro-vs-openai-codex)
  - Spec-driven workflow produces requirements, design and task lists before code is written.
  - Based on Code OSS, so VS Code settings, themes and Open VSX extensions carry over.
- [GitHub Copilot](https://finderatlas.com/tools/github-copilot): AI coding assistant for code completion, chat and cloud agents across IDEs, terminal and GitHub (Freemium · Free plan, paid from $10/month · Web, macOS, VS Code Extension) · [compare](https://finderatlas.com/compare/github-copilot-vs-openai-codex)
  - Works in VS Code, Visual Studio, JetBrains, Xcode, Neovim and Eclipse, plus the terminal and GitHub.com
  - Free plan with 2,000 inline suggestions and agent mode, and Pro at $10 per month
- [Factory](https://finderatlas.com/tools/factory): Agent-native software development platform where Droids handle full engineering tasks end to end (Paid · From $20/month · API · Web, macOS, Windows) · [compare](https://finderatlas.com/compare/factory-vs-openai-codex)
  - Covers the full delivery loop: implementation, review, testing, incident response and documentation.
  - Model independence, with a router and bring-your-own-key support for custom models.
- [Amp](https://finderatlas.com/tools/amp): Coding agent that runs in cloud orbs and keeps working after you close your laptop (Freemium · Free plan, paid from $20/month · API · Web, macOS, Linux) · [compare](https://finderatlas.com/compare/amp-vs-openai-codex)
  - Per-thread cloud orbs let agents keep running unattended without worktree or port conflicts.
  - Free Hobby tier includes all product features, with bring-your-own-key and own-runner options.

## FAQ

**What is the closest alternative to OpenAI Codex?**

Claude Code. Anthropic's coding agent that edits code and runs commands from terminal, IDE or browser. It is paid (from $20/month).

**Is there a free alternative to OpenAI Codex?**

Yes. Devin Desktop (formerly Windsurf) is freemium (free plan, paid from $20/month). Agent-first IDE for running local and cloud coding agents in one place

**Which OpenAI Codex alternatives have an API?**

Claude Code, Google Antigravity, Devin, Factory and Amp offer an API.

**How are these alternatives chosen?**

They share the tool's category and overlap in audiences, tags, pricing model, platforms and API availability. Some are picked by Finder Atlas editors, who add a one-line reason. Ratings come only from reviews on Finder Atlas.