AI coding tools, verified

Every entry was checked against official sources. “Unknown” means we could not confirm it — it is never shown as supported.

12 tools

Claude Code Anthropic

Terminal agents In the terminalInside your IDE

Anthropic’s terminal coding agent. Included with Claude Pro/Max subscriptions; shares one usage pool with claude.ai.

Last checked: 2026-09-19 Details →

Gemini CLI Google

Terminal agents Free way to start In the terminal

Google’s open-source terminal agent. A free tier with a personal Google account makes it a common zero-cost fallback.

Last checked: 2026-09-19 Details →

Cursor Anysphere

Editors & IDE helpers Free way to start Desktop app

AI-first code editor (VS Code compatible). Agent mode, Composer, and frontier models behind a freemium subscription.

Last checked: 2026-09-19 Details →

Windsurf Cognition

Editors & IDE helpers Free way to start Desktop app

Agentic IDE from Cognition (now sold alongside Devin). Free tier with unlimited Tab completion and a light agent quota.

Last checked: 2026-09-19 Details →

GitHub Copilot GitHub

Editors & IDE helpers Free way to start Inside your IDEIn the terminal

AI assistant inside VS Code/JetBrains and a Copilot CLI. The Free plan is a genuine zero-cost way to keep editing code.

Last checked: 2026-09-19 Details →

Cline Cline

Editors & IDE helpers Free way to start Inside your IDE

Open-source VS Code agent extension. Free software; you pay only for the model API key you plug in (OpenRouter, Anthropic, Gemini, OpenAI…).

Last checked: 2026-09-19 Details →

Aider Aider AI (open source)

Terminal agents Free way to start In the terminal

Open-source AI pair programmer in your terminal. Works with almost any LLM via your own API keys, including local models.

Last checked: 2026-09-19 Details →

OpenCode Anomaly (open source)

Terminal agents Free way to start In the terminalDesktop app

Open-source coding agent for terminal, desktop, and IDE. Free models included, or log in with an existing ChatGPT Plus/Pro or GitHub Copilot account.

Last checked: 2026-09-19 Details →

ChatGPT (web) OpenAI

Web chat AI Free way to start In the browser

If Codex came with your ChatGPT plan, the web app is still there for pasted-code debugging, code reading, and screenshot work.

Last checked: 2026-09-19 Details →

Google AI Studio Google

API / model access Free way to start In the browserAPI / bring-your-own-key

Free Gemini playground in the browser, plus API keys you can plug into Cline, aider, or OpenCode.

Last checked: 2026-09-19 Details →

OpenRouter OpenRouter

API / model access Free way to start API / bring-your-own-key

One API key for hundreds of models, passed through at provider prices. Free models exist (rate-limited). Pairs well with Cline, aider, or OpenCode.

Last checked: 2026-09-19 Details →

DeepSeek API DeepSeek

API / model access API / bring-your-own-keyIn the browser

Very cheap per-token API with 1M-context models (OpenAI-compatible). Popular as the economical engine inside Cline or aider.

Last checked: 2026-09-19 Details →