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Docs/Models & providers

Models & providers

OpenAI Codex

The Codex connection uses the Codex agent runtime. It is separate from the regular OpenAI API connection.

1 min readUpdated: October 2026
Choose your provider. Captured in an isolated Metis test instance with fictional sample data (October 2026).
Choose your provider

Choose your provider. Captured in an isolated Metis test instance with fictional sample data (October 2026).

Step by step

  1. 01

    Open Settings → Models → Providers and select OpenAI Codex.

  2. 02

    Choose OAuth, an offered account method, or an API key, then complete the corresponding flow.

  3. 03

    Set a clear connection name if needed and save the connection.

  4. 04

    Test the connection, then choose a detected model in chat.

OpenAI Codex

Requires compatible access and support in your installation.

  • Choose an authentication method and set up the connection.
  • Check connection status and detected models.
  • Review model options and reported limits in each chat.

Good to know

  • Offered access methods: OAuth, account access, API key.
  • Models, context windows, and parameters depend on the active connection and detection.
  • Costs, subscriptions, and limits are determined by the provider.

Troubleshooting

If models are missing, check access, connection status, and the selected execution user. A locally authenticated CLI must be available to the user running the Metis task.

Troubleshooting guide

Related articles

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Documentation
Overview
Getting started
QuickstartChoose an installationWhat is Metis?Accounts and initial setupConnect your first providerYour first taskSign inInstall on LinuxInstall on macOSInstall on Windows
Chat & context
Navigation & chatsCompose messagesResponses & tool callsAnswer questionsApprove actionsSearch & quick actions
Workspace
Agent overviewCanvasPlansMemoryFilesTerminalBrowserDesktopsServer monitorArrange the workspaceExport workspaces
Projects & teams
Create a projectProject overviewChat visibilityProject picture, color, and iconProject instructionsProject memoryProject skillsProject filesProject notesAgent model defaultLet agents manage the teamMembers & invitationsAgent teamsTeam presetsTeam overview
Notes
Notes & scratchpad
Agent Hub
SkillsConnections / MCPsCustom modes & rulesGlobal agent rules
Settings
GeneralModels — ConnectionsAgent — Runtime & memoryDevices — Remote clientsAdmin / ChatsUpdatesSearch settingsAttachments and file sizeSubagent modelToken compressionPreview compressionSounds and notificationsNotification deliverySet up voice inputChoose a microphoneRecording and streamingDictionaryConfigure the browser previewManage website dataWebsite and source code
Models & providers
AgentDeep ResearchPlanAskGauntletCursorOpenAIAnthropicGoogle GeminixAI / GrokOpenRouterOllama / LocalOpenAI-compatibleOpenAI CodexClaude CodeGoogle AntigravityGrok BuildOpenCodeModel options
Account & sharing
ProfileNotificationsUsage & costsShare chatsPublic shares
Guides & operations
Charts, graphs & mediaAutomationsOperate your installationTroubleshootingSet up a complete projectWork on a connected PCResearch and produce a reportGlossary and scopes

Popular starting points

Getting startedQuickstartGo from installation to your first verifiable task: set up Metis, connect a model, and start with a small request.Getting startedChoose an installationNative installation is recommended for Linux, macOS, and Windows. Install Metis on the computer or server that will run it, then pGetting startedWhat is Metis?Metis is your self-hosted workspace for AI agents. Conversations, files, browser, tools, and persistent context stay together. YouGetting startedAccounts and initial setupOn first launch, you set up the instance with an administrator account. The single-use operator token confirms your authority to mGetting startedConnect your first providerMetis needs model access to generate responses and run agent tasks. Setup displays authentication methods supported by the selecteGetting startedYour first taskCheck your setup with a small task whose result you can assess directly. You can then add files, browser access, or project contexGetting startedSign inSign in with an account on the relevant Metis instance. Your displayed profile name may differ from your login username.
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