Alternatives to OpenAI Codex
Ranked by capability overlap. Money plays no part in the order.
- Claude CodeAnthropic's coding agent for terminal and editor
Shared capabilities: Agentic coding, Coding assistant
(editorial)ยท similar priceCompare with OpenAI Codex
US$20/moSupp.Freshly checked - CursorAI code editor with agents that write code on their own
Shared capabilities: Agentic coding, Coding assistant
(editorial)ยท similar priceCompare with OpenAI Codex
US$20/moFree plan availableSupp.Freshly checked - GitHub CopilotAI coding assistant in your editor and on GitHub
Shared capabilities: Agentic coding, Coding assistant
Overlap 50%(computed)ยท cheaperCompare with OpenAI Codex
US$10/moFree plan availableSupp.Freshly checked - WindsurfAI code editor with the 'Cascade' agent, part of Cognition
Shared capabilities: Agentic coding, Coding assistant
Overlap 50%(computed)ยท similar priceCompare with OpenAI Codex
US$20/moFree plan availableSupp.Freshly checked - ReplitOnline dev environment with an AI agent that builds and hosts apps
Shared capabilities: Agentic coding, Coding assistant
Extra: AI app builder
Overlap 40%(computed)ยท pricierCompare with OpenAI Codex
US$25/moFree plan availableSupp.Freshly checked