Unlock AI-Powered Coding: How to Set Up CodeGPT in VS Code
This guide walks you through installing the CodeGPT extension in Visual Studio Code, configuring it with your OpenAI API key, adjusting key parameters, and exploring its AI-driven features such as code generation, explanation, refactoring, and documentation creation.
Why CodeGPT matters
The CodeGPT extension lets developers harness the official OpenAI ChatGPT API directly inside Visual Studio Code, enabling AI‑assisted code generation, explanation, refactoring, and more.
Installing CodeGPT
Open VS Code, go to the Extensions view, search for "Code GPT" and click Install.
Configuring the extension
After installation, open Settings → Code GPT. In the first field enter your OpenAI API key (register at https://beta.openai.com/account/api-keys if you don’t have one). Other fields can stay at their default values.
Key parameters you may adjust:
Max tokens – maximum number of tokens per request.
Model – choose among text‑davinci‑003, code‑cushman‑001, and code‑davinci‑002 (the most powerful for coding).
Temperature – controls randomness; lower values make output more deterministic.
Exploring CodeGPT features
CodeGPT offers several AI‑driven capabilities:
Generate code – type a question and press Cmd+Shift+I to open a new window with generated code.
Explain code – select code, right‑click and choose “Explain CodeGPT” to see an analysis.
Refactor code, generate documentation, detect bugs, and more.
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