Claude Code vs OpenAI Codex

Claude Code

9.5 #2 in AI Coding Assistants

About Claude Code

OpenAI Codex

7.0 #31 in AI Coding Assistants

About OpenAI Codex
Claude CodeOpenAI Codex
Free planYesNo
Free trialNoNo
Paid from$17/mo—
Open sourceNoNo
PlatformsWeb, Windows, macOS, Linux, iOS, AndroidWeb, Windows, macOS, Linux
Free planNoNo
Paid from$17/user/mo—
Chat assistanceYesYes
Coding agentYesYes
Supported IDEsVS Code, JetBrains IDEs, Cursor, Devin DesktopVisual Studio Code; Cursor; Windsurf; Visual Studio Code Insiders; Xcode; JetBrains IDEs
Codebase indexingYesYes
Terminal accessYesYes

Both are listed in Best AI Coding Assistants, Best AI Code Generators. On Samsung Mobile US Press, Claude Code scores higher on our published basis.