Cline: Open source VS Code agent that can edit files and use tools.
Cline is an open source coding agent for VS Code that can inspect a project, edit files, run terminal commands, and interact with browser-like workflows depending on configuration. It became popular with developers who wanted an agentic experience inside VS Code while keeping model-provider flexibility. Cline can be remarkably capable on small and medium tasks, especially when paired with strong models, but users need to monitor command execution and context use. It is best evaluated as a configurable agent framework rather than a sealed commercial editor.
Quick facts
- Pricing
- Free extension; bring your own model/API keys.
- Free tier
- Yes
- Supported languages
- Language agnostic, JavaScript, TypeScript, Python, Go, Rust, Java
- Platform
- VS Code
- Open source
- Yes
- Models used
- Anthropic, OpenAI, OpenRouter, Ollama, Other provider APIs
Cline review
Cline is an open source coding agent for VS Code that can inspect a project, edit files, run terminal commands, and interact with browser-like workflows depending on configuration. It became popular with developers who wanted an agentic experience inside VS Code while keeping model-provider flexibility. Cline can be remarkably capable on small and medium tasks, especially when paired with strong models, but users need to monitor command execution and context use. It is best evaluated as a configurable agent framework rather than a sealed commercial editor.
In practice, Cline is most useful when the team picks a narrow workflow and measures whether the tool improves that job. For vs code users, developers experimenting with agents, open model routing, the important question is not whether the demo looks impressive. It is whether the generated code fits your repository, whether the tool makes its changes easy to inspect, and whether a developer can recover quickly when the model misunderstands the task.
Pricing also matters because AI coding usage can grow faster than expected. Free extension; bring your own model/API keys. Check the vendor pricing page before buying because usage limits and model access can change. Teams should test realistic prompts, not only a single autocomplete, and estimate monthly cost for heavy users, occasional reviewers, and nontechnical collaborators separately.
The strongest reason to choose Cline is fit. It supports VS Code and is commonly used with Language agnostic, JavaScript, TypeScript, Python, Go. That makes it a credible option for vs code users, developers experimenting with agents, open model routing. The weaker fit is locked-down enterprises, no-code users, teams wanting hosted admin dashboards, where a different category of AI coding tool may be more effective.
Best for
- - VS Code users
- - Developers experimenting with agents
- - Open model routing
Not great for
- - Locked-down enterprises
- - No-code users
- - Teams wanting hosted admin dashboards
Pros
- - Open source agent workflow
- - Runs in VS Code
- - Provider flexibility
- - Good for hands-on developers
Cons
- - API costs can rise
- - Needs careful command review
- - Configuration overhead
- - Not enterprise-first
Pricing breakdown
Free extension; bring your own model/API keys. Confirm current limits and usage terms on the official pricing page before adopting it across a team.
| Dimension | Cline | Goose |
|---|---|---|
| Pricing | Free extension; bring your own model/API keys. | Open source; model/API usage billed separately. |
| Free tier | Yes | Yes |
| Open source | Yes | Yes |
| Platforms | VS Code | Desktop, Terminal, macOS, Linux |
| Languages | Language agnostic, JavaScript, TypeScript, Python, Go, Rust | Language agnostic |
| Models | Anthropic, OpenAI, OpenRouter, Ollama, Other provider APIs | OpenAI-compatible models, Anthropic, Local and hosted providers |
| Best for | VS Code users, Developers experimenting with agents, Open model routing | Developers building custom agent workflows, Open source automation, Local task runners |
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