Codex

Supercharge OpenAI's Codex agent with reusable skills, MCP servers, and integrations.

OpenRouter usage:
  • OpenRouter rank


    #15
  • Tokens per day


    15.5B

Codex routes most usage through OpenAI's own infrastructure, so OpenRouter sees only a slice of its real-world usage.

Source: OpenRouter (openrouter.ai/apps), as of 2026-06-10.

Latest releases:All releases
  • 0.140.0-alpha.8Pre-release

    Release 0.140.0-alpha.8

  • 0.140.0-alpha.7Pre-release

    Release 0.140.0-alpha.7

  • 0.140.0-alpha.4Pre-release

    Release 0.140.0-alpha.4

  • 0.140.0-alpha.2Pre-release

    Release 0.140.0-alpha.2

  • 0.139.0

    ## New Features - Code mode can now call standalone web search directly, including from nested JavaScript tool calls, and receive plaintext search results. (#26719) - Tool and connector input schemas now preserve `oneOf` and `allOf`, and large schemas keep more shallow structure when compacted, improving compatibility with richer MCP tools. (#24118, #27084) - `codex doctor` now includes editor and pager environment details in the local report while redacting raw values in JSON output. (#27081) - Plugin marketplace automation is more informative and responsive: `codex plugin marketplace list --json` now includes each marketplace source, and plugin lists can return from the cached remote catalog before refreshing in the background. (#27009, #26932) ## Bug Fixes - `codex resume --last "..."` and `codex fork --last "..."` now treat the trailing argument as the initial prompt instead of misreading it as a session ID. (#26818) - MCP startup warnings from subagents now stay in the thread that owns them, avoiding duplicate parent-thread alerts and stuck startup spinners in the TUI. (#26639) - Image edits now use the exact referenced image file paths instead of guessing from conversation history, so attached-image edits land on the intended input. (#26486) - Bare URLs with `~` in the path are now linkified end to end in the TUI instead of being truncated before the tilde. (#27088) - Thread resets such as `/new`, `/clear`, and `/fork` no longer drop cloud-managed requirements or featu…

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