Cline
Free tierThe open-source AI coding agent for your IDE, terminal, and SDK
Key strengths
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Recent changes
- Plans updated: Free for individual developers; pay only for AI inference on a usage basis (BYOK or Cline provider). Enterprise pricing via contact sales.
- Models updated: Multiple: Anthropic (Claude), OpenAI (GPT), Google (Gemini), Ollama, LM Studio, OpenRouter, AWS Bedrock, GCP Vertex, Groq, Cerebras, Vercel AI Gateway, DeepSeek, and any OpenAI-compatible API
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Cline — Technical Overview
Cline is an open-source AI coding agent runtime (Apache 2.0) that can be embedded as a VS Code or JetBrains extension, invoked via CLI, run as a desktop app, or integrated directly into your own products via its embeddable SDK. With 70,000+ GitHub stars and 11M+ installs, it is one of the most widely adopted open-source agent runtimes available.
Model flexibility: Cline is fully model-agnostic. It supports every major inference provider out of the box — Anthropic (Claude), OpenAI (GPT), Google (Gemini), AWS Bedrock, GCP Vertex, OpenRouter, Ollama, LM Studio, Groq, Cerebras, Vercel AI Gateway, DeepSeek, and any OpenAI-compatible API endpoint. Bring your own key (BYOK) or route through Cline's own provider.
Agent architecture:
- Plan-and-Act mode — the agent plans a multi-step task, then executes with configurable per-step human approval or full autopilot.
- Multi-agent coordination — spawn and schedule multiple agents working in parallel or in sequence.
- MCP (Model Context Protocol) marketplace — extend Cline with custom tools, data sources, and servers via a growing ecosystem of MCP integrations.
Integrations: VS Code, JetBrains, Slack, Discord, Telegram, Linear, GitHub Actions, GitLab.
Deployment: Self-hostable. API available for programmatic control and embedding in custom workflows or products.
Pricing: Free for individual developers (usage-based inference costs only). Enterprise plans available via sales contact.