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LangChain vs Mastra
Side-by-side comparison of features, pricing, and ratings
Open-source framework for building LLM-powered apps with observability and deployment tools.
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Free
Freemium
Plans
$0
$39/mo
Custom
Free (Elastic 2.0)
Usage-based
Rating
—
—
Popularity
5.6k views
5.0k views
Skill Level
Advanced
Intermediate
API Available
Platforms
APICLI
APICLI
Categories
💻 Code & Development🤖 Automation & Agents
💻 Code & Development🤖 Automation & Agents
Features
LLM chains and agents
RAG pipelines
Tool use and function calling
Memory management
Document loaders
Vector store integrations
LangSmith observability
LangGraph for stateful agents
deepagents for long-running agents
Fleet agents for automated tasks
Prompt Hub and Playground
Evaluation with LLM-as-judge
Deployment server with checkpointing
Multi-agent A2A and MCP support
Human-in-the-loop interactions
TypeScript-native agent framework
Graph-based workflows with durable state
Model-agnostic via Vercel AI SDK integration
Built-in RAG utilities
Agent memory and thread state management
Evals with LLM-as-judge
Local dev playground with traces (CLI)
Observability UI (Studio)
Hosted cloud deployment (Mastra Cloud)
Memory Gateway (shared memory across agents)
MCP server support
Multiple model providers (OpenAI, Anthropic, Gemini, Groq, Mistral, Ollama)
Integrates with Next.js, Express, Hono
Template library for quick starts
Custom evals and guardrails
Integrations
OpenAI
Anthropic
Pinecone
Weaviate
Supabase
AWS Bedrock
OpenTelemetry SDKs (Python, TypeScript, Go, Java)
Gemini
Groq
Mistral
Ollama
Vercel AI SDK
Next.js
Express
Hono
Chroma
PostgreSQL