Also: The best AI for coding in 2025 and what not to use For example, ChatGPT , Perplexity, and GitHub Copilot are all based on the GPT 4 model from OpenAI. But, as I'll show you below, while ChatGPT and Perplexity's pro plans performed excellently, GitHub Copilot failed as often as it succeeded. I tested GitHub Copilot embedded inside a VS Code instance. I'll explain how to set that up and use GitHub Copilot in an upcoming step by step article. But first, let's run
