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OpenAI's official Codex changelog. Codex app: Codex in ChatGPT, the desktop app and the web. Codex CLI: the version that runs in a terminal window.

Compiled by the Toolstash team · Updated

  1. Codex CLI

    Codex CLI 0.165.0

    6 new6 fixes

    Added a built-in Google Cloud Vertex AI provider, configured with model_provider = "gcp". Added GPT-6.1 Terra to the model catalogs.

  2. Codex CLI

    Codex CLI 0.164.0

    6 new6 fixes2 other

    Save reusable prompts and slash commands in ten numbered /presets slots, with a keyboard menu for quick access. Set model, reasoning effort, speed, and permission profiles directly with inline /model and /permissions arguments.

  3. Codex CLI

    Codex CLI 0.163.0

    6 new6 fixes4 other

    Open /config to search preferences across categories, change supported settings immediately, and see which changes require a restart. Send a follow-up while Codex is responding to steer it immediately. Interrupting a turn also stops active Code Mode cells and their nested tool calls.

  4. Codex CLI

    Codex CLI 0.162.1

    2 fixes

    Fixed a TUI crash when asynchronous questions contain multiple lines, preserving line breaks and complete hyperlink destinations. Fixed startup failures caused by differences between a running background server's feature settings and CLI defaults. Compatibility checks now apply only to explicit command-line feature overrides.

  5. Codex CLI

    Codex CLI 0.162.0

    6 new6 fixes2 other

    Add tools for creating and listing managed Git worktrees from trusted local projects when the worktrees feature is enabled. Pin tasks in the agent Command Center with p and keep them in a shared Pinned group when supported by the server.

  6. Codex CLI

    Codex CLI 0.161.0

    6 new6 fixes2 other

    GPT-6.1 Sol is now the default model in the bundled and Amazon Bedrock catalogs. Amazon Bedrock supports multi-agent V2 and Ultra reasoning on compatible models; Bedrock Mantle also accepts AWS GovCloud regions.

  7. Codex CLI

    Codex CLI 0.160.1

    1 fix

    Preserve SYSTEMROOT, TEMP, and TMP when launching remote stdio MCP servers with explicitly configured remote environment variables, allowing Unix hosts to retain the Windows executor's startup environment.

  8. Codex CLI

    Codex CLI 0.160.0

    4 new6 fixes3 other

    Browse older tasks in the agent command center with a keyboard-accessible “Show more” action. Select transcript text and paste with middle-click in fullscreen mode on supported local Linux X11 terminals.

  9. Codex CLI

    Codex CLI 0.159.3

    1 new

    Eligible local sessions signed in with ChatGPT can now show optional reminders to complete account security setup.

  10. Codex CLI

    Codex CLI 0.159.0

    6 new6 fixes2 other

    Opt-in instant_interrupt lets new input steer Codex during model responses or long-running code-mode calls. New sessions get a compact welcome screen and consistent headers, with occasional tips during and after turns.

  11. Codex CLI

    Codex CLI 0.159.1

    1 new

    Added GPT-6.1 Sol as the default model in the bundled catalog and Amazon Bedrock Mantle and Runtime catalogs.

  12. Codex CLI

    Codex CLI 0.159.2

    1 fix

    Suppressed console windows flashing on Windows when Codex launches background processes and sandboxed commands.

  13. Codex CLI

    Codex CLI 0.158.0

    5 new6 fixes

    Configure copy-on-select and right-click paste in the fullscreen TUI. Copied transcript selections now preserve Markdown formatting. Connect to MCP servers that require pre-registered OAuth client secrets, including through codex mcp add --oauth-client-secret.

  14. Codex CLI

    Codex CLI 0.157.1

    1 other

    Release highlights could not be determined: the supplied PR index is empty, and the GitHub tag comparison returned 404.

  15. Codex CLI

    Codex CLI 0.157.0

    6 new6 fixes

    Added GPT-6 Sol and Luna, including Amazon Bedrock support and migration prompts for older models. Enabled fullscreen transcripts by default and added Shift-click to extend text selections.

  16. Codex CLI

    Codex CLI 0.156.1

    1 new

    Choose GPT-6 Sol or GPT-6 Luna from the model picker. The rate-limit switch prompt now recommends GPT-6 Luna.

  17. Codex CLI

    Codex CLI 0.156.0

    6 new6 fixes3 other

    Choose an optional fullscreen UI with /tui for your next launch, including transcript search, mouse selection, and right-click copying. Voice conversations are enabled by default, with an F8 toggle, a /voice settings picker, and bundled audio runtimes for Linux and Windows.

  18. Codex CLI

    Codex CLI 0.155.1

    1 fix

    New local TUI sessions now leave reasoning summaries disabled by default, fixing request rejection by providers that do not support them. Explicit reasoning-summary settings remain respected.

  19. Codex CLI

    Codex CLI 0.155.0

    6 new6 fixes1 other

    Added experimental /voice conversations with live transcripts and microphone controls on supported builds, enabled through /experimental. The TUI now shows live reasoning summaries in the status row and completion timestamps after successful turns.

  20. Codex CLI

    Codex CLI Cygwin

  21. Codex CLI

    Codex CLI Python

  22. Codex CLI

    Codex CLI 0.154.0

    6 new6 fixes2 other

    GPT-6-Astra is now available in the model picker and Amazon Bedrock catalogs. Experimental worktree support lets you create isolated checkouts for new or forked sessions using --worktree or /worktree, then browse and resume them.

  23. Codex CLI

    Codex CLI 0.153.3

    1 new1 fix

    Added GPT-6-Astra to the Amazon Bedrock model picker for Mantle and Runtime global/US routes.

  24. Codex CLI

    Codex CLI 0.153.4

    2 fixes

    Fixed Astra’s visibility in the bundled model picker and made it the bundled default when no model is explicitly configured. Updated Astra’s guidance to use asynchronous questions only when the tool is available in the session.

  25. Codex CLI

    Codex CLI 0.153.0

    5 new5 fixes3 other

    Vim mode now supports undo with u and redo with Ctrl+R, preserving complete drafts including pasted content and attachments. The plugin CLI can list, install, and remove plugins from remote marketplaces.

  26. Codex CLI

    Codex CLI 0.153.1

    1 new

    Added support for configuring GPT-6-Astra through the API without changing the default model or showing it in the model picker.

  27. Codex CLI

    Codex CLI 0.153.2

    1 fix

    Corrected the GPT-6-Astra Fast tier description to say “2x speed, increased usage” instead of “1.5x.” This changes only the displayed text, not how requests run.

  28. Codex CLI

    Codex CLI 0.152.0

    6 new8 fixes2 other

    Vim mode supports / and ? searches within drafts, highlighted matches, and repeat navigation with n and N. Rate-limit banners offer actions for checking usage, managing credits, resetting limits, and managing plans.

  29. Codex CLI

    Codex CLI 0.152.1

    1 fix

    Guardian approval review now honors Node REPL policies provided through model metadata.

  30. Codex CLI

    Codex CLI 0.151.0

    3 new6 fixes2 other

    Added a configurable grace period for discovering tools from optional MCP servers. Extensions can now inspect or replace MCP tool results before they reach the model.