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VoltAgent vs Mastra

VoltAgentMastra

Bottom line: VoltAgent for typeScript engineering teams; Mastra for typeScript and full-stack JavaScript teams.

VoltAgentVoltAgent

Observability-first open-source TypeScript framework for AI agents

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MastraMastra

The TypeScript framework for building AI agents and workflows.

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Votes00
PricingFreemiumFreemium
CategoryAgent FrameworksAgent Frameworks
Tags
typescriptagentsopen-sourceobservabilitymcp
agentstypescriptopen-sourceworkflowrag
Best for
  • TypeScript engineering teams
  • Builders needing agent observability
  • Multi-agent system developers
  • TypeScript and full-stack JavaScript teams
  • Startups shipping AI features fast
  • Developers wanting agents without Python
Pros
  • MIT-licensed, free and open-source
  • TypeScript-native for JS/TS teams
  • Observability built in via VoltOps
  • Supports MCP, RAG, memory, guardrails
  • Multi-agent orchestration
  • TypeScript-native, rare among serious agent frameworks
  • Open source and free to self-host
  • Ergonomic agents, workflows, memory, and evals in one toolkit
  • Strong funding and momentum (22k+ GitHub stars)
  • Fits full-stack and front-end teams
Cons
  • Younger ecosystem than top frameworks
  • TypeScript-only, no Python
  • Smaller community and fewer examples
  • VoltOps adds another component to manage
  • Rapidly evolving APIs
  • Young project with a still-maturing ecosystem
  • APIs may change as it evolves toward stability
  • Fewer integrations than older Python frameworks
  • TypeScript-only, no Python option
  • Managed cloud pricing not fully transparent

Comparison generated from each tool's listing. Add or remove tools above to change it.