Integration guide
Cline
Cline is an open-source AI coding agent for VS Code. It works in "bring your own key" (BYOK) mode with any OpenAI-compatible provider, so pointing it at CrossModel lets you use the whole catalog inside VS Code.
Quickstart
1. Install Cline
Search for Cline in the VS Code Extensions panel, or install it from the Visual Studio Marketplace.
2. Create an API key
Sign in to the Console and create a key that starts with cm- on the API Keys page. The key is shown only once, so copy it somewhere safe.
3. Point Cline at CrossModel
Click the Cline icon in the VS Code sidebar, open the settings panel (the ⚙️ in the top-right), and fill in:
| Field | Value |
|---|---|
| API Provider | OpenAI Compatible |
| Base URL | https://api.crossmodel.ai/v1 |
| API Key | your cm- key |
| Model | a model ID, e.g. deepseek/deepseek-v4-pro |
Click Verify to confirm the connection.
4. Start using it
Send a message in the Cline chat panel and your requests will route through CrossModel to the model you picked.
Choosing models
Model IDs follow the vendor/short_name format, e.g. openai/gpt-5.5, anthropic/claude-sonnet-4.6, or deepseek/deepseek-v4-flash. See the full list in the model catalog.
Troubleshooting
| Symptom | What to check |
|---|---|
| Verify fails | Make sure the base URL ends with /v1 and the key starts with cm-. |
| "Model not found" | Check the model ID format; casing must match exactly. |
| Insufficient balance | Top up in the Console. |