OpenAI Codex Alternatives

OpenAI Codex alternatives

Ranked by data completeness. Compare any of them head-to-head below.

Aider turns your terminal into a pair programming session with advanced models.

Free tier

Codeium (now Windsurf) is an AI-powered code editor and assistant.

Free tier

Codium AI generates tests for your code.

Free tier

GitHub Copilot suggests code as you type using AI trained on public code.

Free tier2 integrations

Mentat assists coding with AI directly in your terminal.

Free tier

Cody is Sourcegraph's AI coding assistant.

Free tier

Tabnine is an AI coding assistant that provides code completions, chat, and workflow agents.

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