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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →To route Claude Code through a gateway in T3 Code, configure the Claude provider’s executable, optional config directory, and gateway environment variables. Use OpenRouter for a hosted route, or point the provider at a LiteLLM gateway you operate. Start a session through that provider and run /status to check the active endpoint and credential source. Gateway credentials use the gateway or upstream account’s billing—not your Claude subscription—and routing through a compatible API does not guarantee that every Claude Code feature works with every model.
What changes when you use a gateway?
T3 Code’s Claude provider is the right scope for this configuration: it lets you set the claude executable, a provider-specific CLAUDE_CONFIG_DIR, and environment variables used when that provider launches Claude Code. An empty config-directory field leaves Claude Code using its normal configuration directory; a separate directory gives the gateway setup distinct Claude state. T3 Code’s guide says this does not change HOME, so changing HOME is not a substitute for setting a config directory. Threads using different config directories are separate Claude environments, not interchangeable account contexts. See the T3 Code Claude provider guide.
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A gateway changes the route for requests and the credential used to authenticate them. It does not turn a Claude subscription into gateway access. Anthropic says that when a gateway credential or apiKeyHelper is active, requests use that credential instead of the developer’s Claude subscription login; subscription usage limits do not apply, and the credential owner pays under the upstream route. A base URL by itself does not replace a subscription credential. Anthropic describes gateways as a way to centralize credentials, usage tracking, budgets, rate limits, audit logs, and provider switching, but says it does not endorse, maintain, or audit third-party gateways. It also does not support routing Claude Code to non-Claude models through a gateway. See Anthropic’s gateway documentation.
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Choose a route: hosted OpenRouter or self-hosted LiteLLM
| Question | OpenRouter | LiteLLM |
|---|---|---|
| Who operates the gateway? | OpenRouter operates the hosted service. | You or your organization deploy and maintain the gateway. |
| What goes in the T3 Code provider? | https://openrouter.ai/api, an OpenRouter key in ANTHROPIC_AUTH_TOKEN, and an empty ANTHROPIC_API_KEY. |
Your LiteLLM gateway root URL, a LiteLLM virtual key, and a configured model alias. |
| How is the model selected? | OpenRouter documents model-role environment variables; consult its current guide for valid variable names and model identifiers. | Set ANTHROPIC_MODEL to a model_name configured in LiteLLM. A Claude Code picker ID is not automatically a LiteLLM alias. |
| Where are usage and billing handled? | Requests are charged to OpenRouter credits; usage, including reasoning tokens, appears in its dashboard. | Gateway deployment and operation are yours or your organization’s. The upstream route and configured billing determine the charge. |
| What operational work is involved? | Manage the service credential and check OpenRouter activity. | Deploy and maintain the proxy, its model configuration, credentials, and operational controls. |
Both routes expose an Anthropic-compatible interface, but compatibility does not mean identical behavior across models. OpenRouter and Anthropic both warn that Claude Code is optimized for Anthropic models and may not work correctly with other providers. Neither route is a guarantee that all Claude Code features will work with every model.
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Configure T3 Code’s Claude provider
- In T3 Code, open Settings and add or edit a Claude provider.
- Set the binary path to
claude, or use the executable path appropriate to your installation if it is not on the launch environment’s path. - Optionally set a dedicated
CLAUDE_CONFIG_DIRfor an isolated gateway environment. Create that directory if needed. Leave the field empty to use Claude Code’s normal configuration directory. - Add the route’s environment variables in the provider’s Environment variables section. Do not put environment assignments in Launch arguments.
- Mark API tokens and virtual keys as sensitive. T3 Code’s guide says sensitive values are stored as server secrets and are not sent back to the app after saving.
Use OpenRouter as the hosted route
OpenRouter’s Claude Code setup uses an Anthropic-compatible Messages API interface. For this T3 Code provider, use the base URL below—not the /api/v1 URL used for other API styles. The T3 Code guide documents this configuration:
Display name: Claude OpenRouter
Binary path: claude
CLAUDE_CONFIG_DIR: ~/.claude_openrouter_home
ANTHROPIC_BASE_URL=https://openrouter.ai/api
ANTHROPIC_AUTH_TOKEN=<OpenRouter API key; mark sensitive>
ANTHROPIC_API_KEY=- Create
~/.claude_openrouter_homeif you use it as the provider’s config directory. - Enter your OpenRouter key as the sensitive value for
ANTHROPIC_AUTH_TOKEN, and leaveANTHROPIC_API_KEYempty for this interactive configuration. - If this config directory has previously been used to sign in to Anthropic, start Claude Code in that environment and run
/logoutbefore using the gateway key. Cached Anthropic credentials can conflict with the gateway credential. - Save the provider, launch Claude Code through it, then check the route as described below. OpenRouter advises relaunching the CLI after environment changes.
OpenRouter documents environment variables for model roles, but variable names and model identifiers can change. Use its current Claude Code integration guide for those values rather than relying on an old example. Requests are charged to OpenRouter credits, and its Activity Dashboard shows usage, including reasoning tokens.
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Point T3 Code at a LiteLLM gateway
LiteLLM documents Claude Code integration through the Anthropic Messages API at /v1/messages. Put the gateway root URL in the T3 Code provider; Claude Code uses the Messages API path. The example below uses local placeholder values—replace them with your actual gateway root, virtual key, and configured model alias.
ANTHROPIC_BASE_URL="http://localhost:4000"
ANTHROPIC_AUTH_TOKEN="<LiteLLM virtual key>"
ANTHROPIC_MODEL="<model_name from LiteLLM config>"- Match the model alias. The value of
ANTHROPIC_MODELmust exist as amodel_namein your LiteLLM configuration. Claude Code’s model-picker identifiers and LiteLLM aliases are not necessarily the same. Selecting a built-in Anthropic ID in the picker can fail if that exact identifier is not configured in LiteLLM. - Avoid an unintended key. If your shell exports a real
ANTHROPIC_API_KEY, LiteLLM advises unsetting it for the session so the intended virtual key is used. - Plan to operate the service. LiteLLM describes both an open-source library with a unified interface to model providers and a self-hosted AI Gateway/Proxy, with documented options including container deployment, virtual keys, budgets, logging, and an admin interface. Deployment and ongoing maintenance belong to you or your organization. See LiteLLM’s Claude Code setup and LiteLLM Getting Started for current configuration and deployment details.
Verify the active route in Claude Code
- Launch a session using the intended T3 Code Claude provider, not a different provider or a shell-launched session with unrelated environment variables.
- Run
/statusinside Claude Code. Confirm that the Anthropic base URL is the intended gateway URL and that the token source is the expected environment variable. - For OpenRouter, check its Activity Dashboard for the request. For LiteLLM, check the logging or usage view enabled in your gateway deployment.
- If
/statusshows a Claude account login, an unexpected base URL, or a different token source, review the selected T3 Code provider and its environment values. For OpenRouter, clear a stale login with/logoutin the relevant config directory when appropriate, reload the environment, and relaunch the CLI.
What gateways change—and what they do not
With a gateway credential active, billing follows that credential’s route: for example, the organization’s Anthropic Console account, a cloud-provider account, or gateway service credits. It does not consume Claude subscription usage limits. A gateway can centralize provider credentials and operational controls, but it adds another service whose availability, configuration, logging, and compatibility someone must manage.
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Anthropic says it does not maintain or audit third-party gateway products and does not support routing Claude Code to non-Claude models through a gateway. A compatible endpoint is not proof that a non-Anthropic model will behave like Claude or support all Claude Code features. Treat model compatibility as specific to the gateway, model, and feature you use—not as a blanket property of the API format.
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