Cline vs Mastra
A side-by-side comparison to help you choose the right tool.
81
Cline scores higher overall (81/100)
But the best choice depends on your specific needs. Compare below.
| Feature | Cline | Mastra |
|---|---|---|
| Our score | 81 | 80 |
| Pricing | The Cline extension is free and open source. You pay only for the underlying model usage via your own Anthropic, OpenAI, OpenRouter, or other provider key. Cline also offers an optional managed inference plan billed per token. | Fully open source under MIT license. No cloud fees. Self-hosted on your own infrastructure. |
| Free plan | Yes | Yes |
| Best for | developers who already pay for Claude or OpenAI API access, engineers who want a transparent, open-source alternative to Cursor, teams that need an agent that can plan, edit files, and run commands, tinkerers who want full control over models and prompts | TypeScript and Node.js developers who want a structured, production-ready agent framework, Teams building internal AI copilots or customer-facing assistants with full code control, Startups embedding AI capabilities into products that need evals and tracing from day one |
| Platforms | vscode, jetbrains, cli | api, web |
| API | No | Yes |
| Languages | en | en |
| Pros |
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| Visit site | Visit site |
Cline
81
- Pricing
- The Cline extension is free and open source. You pay only for the underlying model usage via your own Anthropic, OpenAI, OpenRouter, or other provider key. Cline also offers an optional managed inference plan billed per token.
- Free plan
- Yes
- Best for
- developers who already pay for Claude or OpenAI API access, engineers who want a transparent, open-source alternative to Cursor, teams that need an agent that can plan, edit files, and run commands, tinkerers who want full control over models and prompts
- Platforms
- vscode, jetbrains, cli
- API
- No
- Languages
- en
Mastra
80
- Pricing
- Fully open source under MIT license. No cloud fees. Self-hosted on your own infrastructure.
- Free plan
- Yes
- Best for
- TypeScript and Node.js developers who want a structured, production-ready agent framework, Teams building internal AI copilots or customer-facing assistants with full code control, Startups embedding AI capabilities into products that need evals and tracing from day one
- Platforms
- api, web
- API
- Yes
- Languages
- en
81Choose Cline if:
- You are developers who already pay for Claude or OpenAI API access
- You are engineers who want a transparent, open-source alternative to Cursor
- You are teams that need an agent that can plan, edit files, and run commands
- You want to start free
80Choose Mastra if:
- You are TypeScript and Node.js developers who want a structured, production-ready agent framework
- You are Teams building internal AI copilots or customer-facing assistants with full code control
- You are Startups embedding AI capabilities into products that need evals and tracing from day one
- You want to start free
FAQ
- What is the difference between Cline and Mastra?
- Cline is an open-source ai coding agent that runs inside vs code, jetbrains, and a cli, with bring-your-own-key inference so you only pay for the model tokens, not a subscription. Mastra is open-source typescript framework for building production-ready ai agents and multi-step workflows, with a local studio ui, typed zod schemas, built-in evals, and support for suspend/resume human-in-the-loop flows.
- Which is cheaper, Cline or Mastra?
- Cline: The Cline extension is free and open source. You pay only for the underlying model usage via your own Anthropic, OpenAI, OpenRouter, or other provider key. Cline also offers an optional managed inference plan billed per token.. Mastra: Fully open source under MIT license. No cloud fees. Self-hosted on your own infrastructure.. Cline has a free plan. Mastra has a free plan.
- Who is Cline best for?
- Cline is best for developers who already pay for Claude or OpenAI API access, engineers who want a transparent, open-source alternative to Cursor, teams that need an agent that can plan, edit files, and run commands, tinkerers who want full control over models and prompts.
- Who is Mastra best for?
- Mastra is best for TypeScript and Node.js developers who want a structured, production-ready agent framework, Teams building internal AI copilots or customer-facing assistants with full code control, Startups embedding AI capabilities into products that need evals and tracing from day one.