smallmain/vscode-unify-chat-provider — Integrate multiple LLM API providers into VS Code's GitHub Copilot Chat using the Language Model API…

Description and use

smallmain/vscode-unify-chat-provider is an open‑source VS Code extension that plugs a variety of large‑language‑model APIs into the built‑in GitHub Copilot Chat interface. It aggregates the latest free and paid models—Claude Code, Gemini CLI, Antigravity, GitHub Copilot, Qwen Code, OpenAI CodeX (ChatGPT Plus/Pro), etc.—and lets users switch between them with a few configuration steps and a single click. The project streamlines backend integration for developers who want flexible, multi‑provider AI assistance directly inside their editor.

Problem

smallmain/vscode-unify-chat-provider helps add AI capability without starting from a blank model stack.

Outcome

Medium: useful for prototypes or internal workflows, with dependency and maintenance checks before production.

Workflow

• prototype AI features
• build RAG or agent workflows
• evaluate model tooling

Evidence

Integrate multiple LLM API providers into VS Code's GitHub Copilot Chat using the Language Model API. Aggregates the latest free mainstream models, configurable in just a few steps! One-click use of your Claude Code, Gemini CLI, Antigravity, Github Copilot, Qwen Code, OpenAI CodeX (ChatGPT Plus/Pro) account quotas.

Source