GitHub Copilot is an AI code assistant that provides basic code assistance (autocomplete and chat) for small codebases. It is limited by single-repository context and can only access code hosted on GitHub Enterprise Code, so it is best for small codebases where users don't require deep context and understanding.

Amazon CodeWhisperer is an AI code assistant from Amazon focused on autocomplete, free for individuals with AWS Builder IDs. Uniquely, CodeWhisperer is optimized to give code completions based on best practices for using AWS APIs

Cursor is an “AI-first Code Editor.” Unlike other solutions which are commonly IDE extensions and plugins, Cursor itself is a fork of VS Code. Cursor features autocomplete (called "Tab"), chat, and Command+K for quickly editing code. Cursor users can also feed local code context to the LLM by manually selecting files and symbols to include in chat.

Tabnine is an AI assistant primarily focused on code autocomplete. The most unique aspect of Tabnine is its hybrid LLM approach. Tabnine Pro offers a model where users can run the Tabnine AI models entirely on their local machine

Codeium is an AI assistant that uses in-house built models and infrastructure to provide code completion, chat, and search. Codeium has trained models on over 70 programming langugages.

Continue is an open source IDE tool that integrates any LLM to enhance coding features like autocomplete and natural language editing.