> For the complete documentation index, see [llms.txt](https://docs.tensorx.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tensorx.ai/ai-coding-assistants/claude-code-vscode.md).

# Claude Code VS Code

The Claude Code VS Code extension can also be configured to use TensorX models.

{% hint style="info" %}
This guide covers the VS Code extension. For the terminal CLI, see [Claude Code CLI](/ai-coding-assistants/claude-code-cli.md).
{% endhint %}

## Installation

1. Open VS Code Extensions (`Ctrl+Shift+X` / `Cmd+Shift+X`)
2. Search for **"Claude Code"**
3. Click **Install**

## Configuration

Open VS Code settings (`Cmd/Ctrl + ,`) and search for "Claude Code". Click **"Edit in settings.json"** and add:

```json
{
  "claudeCode.environmentVariables": [
    {
      "name": "ANTHROPIC_BASE_URL",
      "value": "https://api.tensorx.ai"
    },
    {
      "name": "ANTHROPIC_AUTH_TOKEN",
      "value": "<YOUR_TENSORX_API_KEY>"
    },
    {
      "name": "ANTHROPIC_MODEL",
      "value": "z-ai/glm-5.3"
    },
    {
      "name": "ANTHROPIC_SMALL_FAST_MODEL",
      "value": "z-ai/glm-5.3"
    },
    {
      "name": "ANTHROPIC_DEFAULT_HAIKU_MODEL",
      "value": "z-ai/glm-5.3"
    },
    {
      "name": "ANTHROPIC_DEFAULT_SONNET_MODEL",
      "value": "z-ai/glm-5.3"
    },
    {
      "name": "ANTHROPIC_DEFAULT_OPUS_MODEL",
      "value": "z-ai/glm-5.3"
    },
    {
      "name": "API_TIMEOUT_MS",
      "value": "3000000"
    },
    {
      "name": "CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC",
      "value": "1"
    }
  ]
}
```

{% hint style="danger" %}
**Important:** You must set ALL model variables (`ANTHROPIC_MODEL`, `ANTHROPIC_SMALL_FAST_MODEL`, `ANTHROPIC_DEFAULT_HAIKU_MODEL`, `ANTHROPIC_DEFAULT_SONNET_MODEL`, `ANTHROPIC_DEFAULT_OPUS_MODEL`). Missing any will cause Claude Code to try calling Anthropic models directly, resulting in errors.
{% endhint %}

## Model selection

Call `GET /v1/models` with your TensorX API key and use one of the returned IDs. If the integration depends on a capability or token limit, query `GET /v1/model/info` before selecting the model. See [Models](/api-reference/models.md) for examples.

***

## Switching Models

To switch models, update **all** model values in your VS Code `settings.json`:

1. Replace `z-ai/glm-5.3` with your chosen model ID in all five places
2. Restart VS Code or reload the window

## One-Time OAuth

Like the CLI, the VS Code extension requires a one-time Anthropic OAuth for interactive features. A free Anthropic account works - you won't be charged by Anthropic as all requests route through TensorX.


---

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