AI Code Completion

Amazon Q Developer

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AWS-optimized AI code generator with security scanning and CLI completions

Amazon Q Developer (formerly CodeWhisperer) is AWS's AI-powered coding assistant optimized for Amazon Web Services development. Note: As of November 24, 2025, Q Developer CLI is being rebranded to 'Kiro CLI'. The service now features autonomous agents for multi-step tasks, advanced conversational AI for AWS resource management, and enhanced cost management capabilities. With project-wide context analysis, sophisticated code transformations (like Java 8 to Java 17 migration), AWS API optimization, security vulnerability scanning, and CLI completions, it's perfect for cloud developers working in the AWS ecosystem. Free for individuals with an AWS account.

Codeium (Now Windsurf)

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Free AI code completion - Note: Rebranded to Windsurf in April 2025

**Note: Codeium has been rebranded to Windsurf (April 2025) and was subsequently acquired by Cognition AI (July 2025). See our Windsurf listing for the latest information.** Codeium was a free AI-powered code completion tool that offered unlimited completions for individual developers. Supporting 70+ programming languages and 40+ IDEs, it provided fast, accurate AI suggestions powered by in-house models. The product has evolved into Windsurf, which includes the Cascade agentic chat feature and support for frontier models like Claude Opus 4.5, Gemini 3 Pro, and GPT-5.1.

Cody

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Enterprise AI assistant with codebase-wide context and zero data retention

Cody by Sourcegraph is an enterprise-focused AI coding assistant that understands your entire codebase. With multi-repo context awareness, BYOK (Bring Your Own Key) support, and SOC 2 compliance, Cody is designed for large organizations with strict security requirements. It offers zero data retention and works across multiple repositories, making it ideal for enterprises managing complex, multi-project environments.

Continue

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Open-source, model-agnostic AI coding assistant with full customization

Continue is the leading open-source AI coding assistant that works with any LLM. Fully customizable and privacy-first, Continue allows developers to use their preferred AI models (OpenAI, Anthropic, local models, etc.) with custom prompts and configurations. It seamlessly integrates with VS Code and JetBrains IDEs, offering autocomplete, chat, and refactoring capabilities. Perfect for developers who want control over their AI tools, Continue supports self-hosting and can work entirely offline with local models.

Cursor

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The AI-first code editor built to make you extraordinarily productive

Cursor is an AI-powered code editor built on a fork of VS Code. It allows you to write, edit, and chat about your code with state-of-the-art AI models like GPT-4.1, Claude 3.5 Sonnet, and Gemini 2.5 Pro. Cursor integrates AI directly into the editor with features like Tab (autocomplete), Composer (multi-file editing), and Agent (autonomous tasks), enabling a flow state where you can build software faster than ever before.

GitHub Copilot

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Industry-leading AI code completion with 100M+ accepted suggestions daily

GitHub Copilot is the industry's most widely adopted AI coding assistant, developed by GitHub and Microsoft. With over 100 million suggestions accepted daily, Copilot provides intelligent code completion, chat-based assistance, and multi-model support including GPT-4.1, Claude 3.5 Sonnet, and Gemini 2.5 Pro. It integrates seamlessly with VS Code, Visual Studio, JetBrains IDEs, and Neovim, offering developers context-aware suggestions that learn from billions of lines of code. Copilot now offers a generous free tier with 2,000 completions per month, making it accessible to all developers.

Gemini Code Assist

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Enterprise-grade AI code assistance from Google Cloud

Gemini Code Assist (formerly Duet AI) is Google Cloud's enterprise-grade AI coding assistant. Powered by the Gemini 1.5 Pro and Gemini 2.5 models, it offers robust code completion, generation, and chat capabilities within popular IDEs. With a massive 1 million token context window for local codebase awareness and enterprise indemnification, it's designed for large-scale, secure software development.

Supermaven (Sunset)

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Ultra-fast AI code completion - Merged into Cursor

Supermaven was known for its 1 million token context window and lightning-fast speeds. As of November 2024, Supermaven has been acquired by Cursor and the product is being sunset. Existing users are provided free autocomplete inference for the time being, but the standalone product is no longer accepting new signups. Its technology is being integrated into the Cursor IDE.

Tabnine

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Privacy-first AI code assistant with personalized models and zero data retention

Tabnine is an AI code completion tool that prioritizes privacy and security. With support for 30+ languages and personalized team learning, Tabnine offers zero data retention and on-premise deployment options. It provides context-aware code suggestions while ensuring your code never leaves your environment. Perfect for enterprises and privacy-conscious developers, Tabnine combines powerful AI capabilities with strict security standards.