Cline

The open coding agent — every model, every editor, your rules.

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Open-source, model-agnostic AI coding agent that plans and executes multi-step development tasks in your editor.

Cline homepage — open coding agent

Cline homepage — open coding agent

Overview

What is Cline?

The open coding agent — every model, every editor, your rules.

Cline is an open-source (Apache 2.0) AI coding agent that goes beyond autocomplete: it reads your codebase, creates and edits files, runs terminal commands, and follows a plan-then-act loop with approval gates before each action.

It runs as a VS Code extension, a native desktop app for macOS/Windows/Linux, a terminal CLI, in JetBrains IDEs (early access), or embedded in your own product via SDK. Cline works with practically any model — Anthropic, OpenAI, Google, Azure, AWS Bedrock, DeepSeek, xAI, Mistral, OpenRouter, local models via Ollama, and any OpenAI-compatible API — and you can switch models mid-task.

Notably, Cline's v4.1.22 release (September 30, 2026) set GPT-6.1 Sol as the default model across OpenAI, OpenRouter, GitHub Copilot, and other routed providers unless you pin a different model.

Cline itself is completely free to use — you bring your own model API key and pay only for token usage. An optional ClinePass subscription ($9.99/month) provides access to stable open-weight models without managing your own keys.

Platforms and languages

Cline Availability

Platforms

MacosWindowsLinux

Languages

English

Capabilities

Cline Key Features

Agentic file operations

create, move, rename, and edit files across your whole project

Terminal command execution with human approval gates

Terminal command execution with human approval gates

Plan-then-act workflow

reviews the plan before executing

Rules and Skills for custom project instructions and shareab

Rules and Skills for custom project instructions and shareable plugins

Model-agnostic

any provider, switch models mid-task, local models via Ollama

MCP and plugin support, multi-agent teams, scheduled tasks

MCP and plugin support, multi-agent teams, scheduled tasks

Plans and access

Cline Pricing

Freemium

No free trial listed

Common questions

Cline FAQs

Is Cline really free?

Yes. Cline itself is free and open source (Apache 2.0); you only pay your chosen model provider for token usage. An optional $9.99/month ClinePass subscription covers stable open-weight models if you prefer not to bring your own API key.

Which models can Cline use?

Practically any: Anthropic, OpenAI, Google, Azure, AWS Bedrock, DeepSeek, xAI, Mistral, OpenRouter, Ollama for local models, and any OpenAI-compatible API. You can even switch models in the middle of a task.

Where does Cline run?

As a VS Code extension (VS Code Marketplace and Open VSX), a native desktop app for macOS, Windows, and Linux, a terminal CLI, in JetBrains IDEs (early access), or embedded in your own product via the SDK.

How is Cline different from autocomplete tools?

It acts as an agent rather than a completer: it reads your codebase, edits files across the project, runs terminal commands, and follows a plan-then-act loop with approval gates before taking each action.

Does Cline support GPT-6.1 Sol?

Yes. Since v4.1.22 (September 30, 2026), GPT-6.1 Sol is the default model for OpenAI, OpenRouter, GitHub Copilot, and other routed providers unless you pin a different model.

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