VS Code — Cline, Roo, Continue

All three major VS Code AI extensions have first-class OpenAI-compatible providers. The extension settings are identical on macOS, Linux, and Windows — only the config file paths and keyboard shortcuts differ, noted below.

Install any of them from the Extensions panel (Cmd+Shift+X on macOS, Ctrl+Shift+X on Windows/Linux).

Cline #

Open Cline's settings (gear icon in the Cline panel), and under API Configuration choose the OpenAI Compatible provider:

Base URL:   https://api.routerplex.com/v1
API Key:    sk-...        # your RouterPlex key
Model ID:   claude-opus-4-8

Cline can't fetch capability metadata from custom endpoints, so if it asks for model info, set the context window to match the catalog (e.g. 1,000,000 for claude-opus-4-8) and enable image support for vision models.

Cline supports separate Plan and Act models — a common setup is claude-opus-4-8 for Plan and claude-sonnet-4-6 for Act.

Roo Code #

Open Roo Code's settings and pick the OpenAI Compatible API provider — same fields as Cline:

Base URL:   https://api.routerplex.com/v1
API Key:    sk-...
Model ID:   claude-opus-4-8

Roo Code routes different modes to different configuration profiles — create one profile per model and assign e.g. claude-opus-4-8 to Architect, claude-sonnet-4-6 to Code, and claude-haiku-4-5 to Ask to keep costs down.

Continue #

Continue is configured through a YAML file rather than the UI:

• macOS / Linux: ~/.continue/config.yaml
• Windows: %USERPROFILE%\.continue\config.yaml

models:
  - name: Claude Opus 4.8 (RouterPlex)
    provider: openai
    model: claude-opus-4-8
    apiBase: https://api.routerplex.com/v1
    apiKey: sk-...
    roles: [chat, edit, apply]
  - name: Gemini Flash (RouterPlex)
    provider: openai
    model: gemini-3.5-flash
    apiBase: https://api.routerplex.com/v1
    apiKey: sk-...
    roles: [chat]

Reload the Continue panel after saving and the models appear in its picker.