Mastra
TypeScript-native AI agent framework for building, testing, and deploying agents
5 Best Alternatives to Mastra
#1
The dominant agent framework, primarily Python with JS bindings
The most widely used framework for building LLM-powered applications and agents
Agent frameworkRAG pipelinesMulti-model supportTool calling
#2
Microsoft's multi-agent conversation framework
Microsoft's open-source framework for multi-agent AI collaboration
Multi-agent orchestrationSandboxed code executionAutoGen Studio visual builderAsync and event-driven architecture
#3
Role-based multi-agent framework with Python focus
Framework for orchestrating teams of AI agents to complete complex tasks
Multi-agent orchestrationRole-based agent designSequential and parallel tasksTool integration framework
#4
No-code visual builder on top of LangChain
Open-source visual builder for LLM flows, chatbots, and AI agents
Visual LLM flow builderRAG pipeline constructionVector store integrationCustom chatbot embedding
#5
Python agent framework with multi-agent workflows and built-in tooling
Open-source framework for building multi-modal AI agents with memory and tools
Multi-agent workflowsBuilt-in memoryKnowledge integrationTool calling
Quick Comparison
| Tool | Rating | Pricing | Category | Why Consider It |
|---|---|---|---|---|
| LangChain | ★★★★★ | Open Source | Code Assistants | The dominant agent framework, primarily Python with JS bindings |
| AutoGen | ★★★★☆ | Open Source | AI Agents & Automation | Microsoft's multi-agent conversation framework |
| CrewAI | ★★★★☆ | Freemium | AI Agents & Automation | Role-based multi-agent framework with Python focus |
| Flowise | ★★★★☆ | Freemium | AI Agents & Automation | No-code visual builder on top of LangChain |
| Phidata | ★★★★☆ | Open Source | AI Agents & Automation | Python agent framework with multi-agent workflows and built-in tooling |