Best code completion AI tools

Sidian is an AI-powered code editor designed for modern developers. It features a sophisticated context engine that rapidly understands complex codebases, integrates with major AI providers like OpenAI and Google, and supports local models for enhanced privacy and flexibility.

Gemini Code Assist is an AI-powered coding assistant from Google, powered by the Gemini 2.5 model. It integrates into your favorite IDEs, terminal, and development platforms to accelerate the entire software development lifecycle with features like code completion, generation, natural language chat, and automated code reviews.

An open-source extension that integrates GitHub Copilot-like AI-powered autocompletion into the CodeMirror editor. Powered by OpenAI's GPT models, it provides intelligent, context-aware code suggestions to accelerate web development and enhance productivity within any application using CodeMirror.

GitHub Copilot is an AI pair programmer that offers intelligent code completions and suggestions directly in your editor. It helps you write code faster, learn new languages, and stay in the flow by turning natural language prompts into coding suggestions across dozens of languages.

The official marketplace for discovering and installing thousands of extensions for the Visual Studio family of products, including Visual Studio, VS Code, and Azure DevOps. Enhance productivity, add new features, and customize your development environment with tools from Microsoft and the community.

Devgen is an AI-powered coding assistant designed to accelerate the software development lifecycle. It helps developers write better code faster by providing intelligent code generation, completion, refactoring, and automated testing, directly within their IDE.

Unfold AI is an all-in-one AI coding assistant designed for developers. It integrates into your IDE to provide real-time error and bug solutions, generate code from natural language, and complete code snippets. A key feature is its ability to be trained on your private codebase for highly customized and accurate assistance across 20+ programming languages.

Codeium is an AI-powered code acceleration toolkit that provides free, ultra-fast code completion, in-editor chat, and other intelligent features. It supports over 70 programming languages and integrates seamlessly with more than 40 popular IDEs to help developers code faster and more efficiently.

CodeMaker AI is a next-generation developer toolkit designed to boost productivity by automating software writing, testing, and documentation. It integrates seamlessly into your workflow via IDEs, GitHub, and CLI, offering context-aware code generation and a powerful AI assistant.

CodeGeeX is a powerful, free AI-powered coding assistant designed to boost developer productivity. It offers intelligent code generation and completion, code translation across multiple languages, automatic comment generation, and an interactive Q&A feature, all seamlessly integrated into your favorite IDE.

CodeSquire is an AI-powered code writing assistant designed for data scientists, engineers, and analysts. It accelerates development by turning natural language comments into code, generating complex functions, writing SQL queries, and providing intelligent code completions directly within your favorite web-based environments.

MarsCode Trae is an intelligent AI coding assistant plugin for VSCode and JetBrains IDEs. It enhances developer productivity with features like autonomous task completion, advanced code completion, one-click debugging, unit test generation, and in-depth code explanation, supporting over 100 programming languages.

Codimite is an AI-powered coding assistant designed to accelerate the software development lifecycle. It acts as a pair programmer, helping developers write, debug, and optimize code faster with features like intelligent code completion, natural language-to-code generation, and automated bug fixing, integrating directly into your favorite IDE.

Refact is an open-source, self-hostable, and autonomous AI coding agent. It integrates into your IDE to act as a digital twin, automating coding tasks, providing context-aware completions and chat, and adapting to your codebase for maximum productivity and data privacy.

Codeium is a free, AI-powered toolkit for developers, offering lightning-fast code completion and an in-editor chat assistant. As a leading alternative to GitHub Copilot, it supports over 70 languages and integrates with more than 40 IDEs to accelerate software development.

Fitten Code is a next-generation AI programming assistant designed to accelerate software development. It offers ultra-fast code completion, intelligent Q&A, automated unit test generation, and code optimization. Built by a Tsinghua PhD team, it supports major IDEs and languages, significantly boosting developer productivity while ensuring data privacy.

Lingma is an AI-powered coding assistant from Alibaba Cloud, designed to enhance developer productivity. It offers intelligent code generation, real-time completion, code explanation, error diagnosis, and an autonomous programming agent that can handle complex coding tasks across multiple files. It supports over 200 languages and integrates seamlessly with major IDEs.

Supermaven is an ultra-fast AI code completion tool designed to double your coding speed. It features a groundbreaking 1 million token context window, allowing it to understand your entire codebase for highly accurate suggestions. It integrates seamlessly with VS Code, JetBrains, and Neovim, and includes an efficient AI chat for advanced tasks.

jetcode.app is an AI-powered coding assistant designed to accelerate software development. It helps developers write, debug, and optimize code faster by providing intelligent code generation, real-time completion, and powerful refactoring tools directly within their IDE.

Baidu Comate is an intelligent AI code assistant powered by Baidu's Wenxin large language model. It integrates seamlessly into IDEs like VS Code and JetBrains to provide real-time code completion, code generation from natural language, bug fixing, and unit test creation, significantly boosting developer productivity.

Awan LLM is a cost-effective and unrestricted LLM inference API platform for developers and power users. It offers unlimited token generation for a flat monthly fee, eliminating per-token costs. The platform provides access to popular models like Meta Llama 3.1 without censorship, running on high-performance, self-owned hardware.