Cline is an open-source AI coding assistant for VS Code that features dual Plan/Act modes, terminal execution capabilities, and the Model Context Protocol (MCP) for custom tool creation. It serves as a fully collaborative AI partner for developers.

How is Cline different from GitHub Copilot?

Cline is open-source and offers unique features like Plan/Act modes for structured development, terminal command execution, browser automation for testing, and the Model Context Protocol (MCP) for creating custom development tools.

What programming languages does Cline support?

Cline supports all major programming languages and frameworks through its AI models and can execute terminal commands, edit files, and automate browser testing across different technology stacks.

Models - Cline Blog

OpenAI's GPT-5.1 is an obsessive researcher, and Cline gives it focus

Kevin Bond•November 13, 2025•3 min read

After weeks with GPT-5.1, we discovered it's unlike any coding model we've seen. It investigates obsessively, follows structure religiously, and sustains focus across massive tasks. We adapted Cline to channel these traits into stable, long-running execution.

DeepSeek V3.2 and V3.2-Speciale are now available in Cline

Anthropic's Claude Opus 4.5 is Live in Cline

Gemini 3 Pro gives Cline more headroom for long-running coding

OpenAI's GPT-5.1 is an obsessive researcher, and Cline gives it focus

Anthropic's Claude Sonnet 4.5 is Live in Cline

New stealth model: Code-Supernova Gets a Million Token Context Window

GPT-5-Codex Now in Cline

Free Stealth Model "code-supernova" Now Available in Cline

zAI and Cline deliver frontier-level AI coding for just $3

Sonoma Alpha Sky & Dusk Models: Real-World Performance in Cline

Kimi K2-0905: Moonshot’s Latest Open-Source Model is Live in Cline

Grok Code Fast 1: xAI's Latest Model Lands in Cline (Free for a Week)