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Mastra vs Tavor
Mastra is a TypeScript framework for AI agents; Tavor offers the underlying sandbox runtime.
Which to pick
Pick Mastra if you want…
- Typed AI agents with built-in observability
- TypeScript AI agents
- Open-source code (mastra-ai/mastra on GitHub)
Pick Tavor if you want…
- Secure sandboxed execution for AI-generated code
- The lower starting price: $20/month against $250/month
Side by side
- What it is
- Mastra:Mastra is an open-source TypeScript framework for building AI agents with memory, tools, workflows and observability.
- Tavor:Tavor provides AI-native sandboxed containers to securely run LLM-generated code and autonomous agent scripts at scale.
- Best for
- Mastra:Typed AI agents with built-in observability
- Tavor:Secure sandboxed execution for AI-generated code
- Who it’s for
- Mastra:TypeScript developers building AI-powered applications and agents.
- Tavor:Developers building AI agents, AI-powered IDEs, and large-scale code evaluation pipelines.
- Pricing
- Mastra:Freemium
- Tavor:Freemium
- Plans
- Mastra:Starter $0 per month · Teams $250 per month
- Tavor:Free $0 per month · Lite $20 per month · Pro $50 per month · Ultra $200 per month
- Open source
- Mastra:Yes, 28,481 GitHub stars
- Tavor:—
- Works with
- Mastra:React, Next.js, Node, LibSQL, Postgres, Vite
- Tavor:—
Mastra features
- Typed Agents. Define agents with instructions, models, tools and runtime behavior in TypeScript.
- Workflows. Compose multi-step, retryable, branchable workflows with typed control flow.
- Harness. Coordinate multi-mode agents with shared state, threads and storage.
- Memory. Durable observational memory with semantic recall and thread-aware storage.
- Observability. Logs, metrics, traces, datasets and signals for full runtime insight.
- Server & Studio. Run agents locally or in Mastra Cloud and manage them via a web studio.
Tavor features
- Firecracker microVM isolation. Runs each script in a lightweight microVM for strong security boundaries.
- Massively parallel execution. Supports thousands of concurrent containers for large-scale evaluations.
- Resource scaling. Adjust CPU and memory per container to match workload needs.
- Persistent containers (Lite+ plans). Keeps container state across runs for longer-lived tasks.
- Network control (upcoming). Fine-grained network permissions will allow safe external access.
- SDKs and API access. Programmatic control of sandbox containers via open-source SDKs.
Mastra vs Tavor FAQ
Is Mastra or Tavor free?+
Mastra has a free plan (Starter); paid plans start at $250/month (Teams). Tavor has a free plan; paid plans start at $20/month (Lite).
Which is cheaper, Mastra or Tavor?+
Tavor is cheaper to start with: Tavor's Lite plan ($20/month) against Mastra's Teams plan ($250/month).
Is Mastra or Tavor open source?+
Mastra is open source (mastra-ai/mastra on GitHub). DevHunt has no public source repository on record for Tavor.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.