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Syndicate does not ship its own models. Agents run on the provider accounts you connect: Claude, OpenAI (Codex), Google Gemini, and GitHub Copilot. Connect one provider or all of them; agents in the same team can use different providers.
The Providers settings screen showing connected provider cards and available models

Provider cards show connection status, available models, and account actions

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Supported Providers

Each provider works through its CLI. If the CLI is missing, Syndicate offers Install CLI and installs it with its bundled runtime. How-to setup: Connect providers.

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Available Models

Models appear only for providers that are connected. Current lineup: Model lists update as providers ship new versions. The in-app selector reflects what your connected CLIs support.

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Model Selection

There are two levels:
  1. Default model: Settings, Providers, Default Model For New Agents. Used for new teams and solo agents.
  2. Per-agent model: set during team creation or from the agent configuration panel.
If a provider disconnects, agents pointing at its models resolve to the first available model from your remaining providers.

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Choosing Models For A Team

  • Atlas: your most capable model. Planning and coordination benefit most from reasoning quality.
  • Coders: a strong code model.
  • Reviewers, writers, support roles: a balanced model.
  • High-volume monitors: a faster model.
The built-in team templates follow this pattern.

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Provider Readiness

A provider is usable when:
  1. The CLI is installed.
  2. The CLI is authenticated.
The Settings card reflects this: Install CLI, Connect, or Connected with model list and account actions. Check / Refresh force a re-probe.

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Credentials

Each provider’s CLI manages its own credentials: Syndicate watches these locations during sign-in, which is why terminal-based logins complete automatically. Deleting a credential file signs that provider out.

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Provider Behavior

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Claude

  • Primary flow is browser sign-in with a paste-back code.
  • If the sign-in endpoint is rate-limited, Syndicate falls back to terminal login.
  • Codes expire after about 15 minutes.

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OpenAI (Codex)

  • Requires a ChatGPT plan with Codex access.
  • If access is missing, use Claude/Gemini or upgrade your ChatGPT plan.
  • Reconnect from Settings to switch accounts.

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Google Gemini

  • Sign-in runs through a terminal flow, including two-factor prompts.
  • Revoking CLI access in your Google account signs it out.

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GitHub Copilot

  • Sign-in runs through a terminal flow (copilot login) with your GitHub account.
  • Requires an active Copilot plan; the free tier works. The Auto (via Copilot) model lets Copilot pick a model for you, which is the most free-tier-friendly choice.
  • Copilot’s models are hosted Claude and GPT backends, labeled “(via Copilot)” in selectors so they are not confused with the direct Claude and OpenAI providers.

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Expiry During Work

If credentials expire mid-session, agents using that provider stop and an amber banner offers Reconnect [Provider]. Reconnect and re-prompt affected agents; queued work is preserved.

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Account Auth

Your Syndicate account session is stored encrypted on-device and restored on launch. Sign-out clears the local encrypted session first, then revokes the token best-effort. Account tiers may limit concurrent devices.