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The best free AI coding assistants in 2026 are GitHub Copilot Free and Cursor's Free plan for editor help, Google Antigravity at $0 for individuals, Supermaven's free tier for autocomplete and Junie Lite for JetBrains users. Cline, OpenCode, Aider and Zed are free to use with your own model key.
2026/10/26
Short answer: The best free AI coding assistants in 2026 are GitHub Copilot Free and Cursor's Free plan for editor help, Google Antigravity at $0 for individuals, Supermaven's free tier for autocomplete and Junie Lite for JetBrains users. Cline, OpenCode, Aider and Zed are free to use with your own model key.
Last updated: October 26, 2026
Looking for the free AI coding assistants worth trying this year? This guide covers 9 tools listed on TrendingDevTools, with what each one does, who it suits and its pricing or free tier, checked on each vendor's own site in October 2026.
Every tool here is listed on TrendingDevTools. We read each vendor's own website and pricing page for the plan details below. Where a vendor does not publish a number, we say so instead of guessing. Prices can change, so check the vendor's site before you buy.
GitHub Copilot is GitHub's AI pair programmer that works inside VS Code, JetBrains IDEs, Visual Studio, Xcode and more, plus on GitHub itself.
Cursor is an AI-first code editor built on the VS Code experience, with agent mode, chat and Tab autocomplete across your whole project.
Google Antigravity is Google's agent-first development platform with an app, CLI, IDE and SDK for running coding agents.
Supermaven is a fast AI code completion tool that adapts to your coding style.
Junie is the AI coding agent from JetBrains that works in JetBrains IDEs and the terminal.
Cline is an open-source (Apache-2.0) coding agent for VS Code with Plan and Act modes and support for many model providers.
OpenCode is an open-source (MIT) coding agent for the terminal, desktop and IDE that connects to 75+ model providers.
Aider is an open-source (Apache-2.0) AI pair programmer for the terminal that maps your repo and commits each change to git.
Zed is a fast, open-source code editor written in Rust with built-in AI agent features and multiplayer collaboration.
Yes. Cline, OpenCode and Aider are free and open source, though you may pay your model provider. GitHub Copilot, Cursor and Supermaven have free plans with limits.
GitHub Copilot has a Free plan at $0 with limited usage. Paid plans start with Pro at $10/month.
GitHub Copilot Free and Cline both work in VS Code. Copilot is simpler to start with, while Cline gives you an open-source agent and your choice of model.
Most free plans cap usage, such as a set number of completions, chats or credits per month. Open-source tools have no plan limits, but you pay for the model calls.