Mastra Alternatives
5 alternatives to Mastra — free and paid AI coding tools covering similar jobs, with pricing and standout strengths.
Tool
CrewAI
A Python framework for orchestrating role-playing AI agents as collaborating 'crews', plus event-driven flows.
open sourcesdk
Tool
Langchain
The provider-agnostic agent framework, post-1.0: a standard create_agent loop on the LangGraph runtime, middleware hooks, and the largest integration ecosystem.
open sourcesdk
Tool
LangGraph
A low-level library for building stateful, controllable agents as graphs, with checkpointing and human-in-the-loop.
open sourcesdk
Tool
OpenAI Agents SDK
OpenAI's lightweight, open-source framework for agents — handoffs, guardrails, sessions, and built-in tracing.
open sourcesdk
Tool
Vercel AI SDK
An open-source TypeScript toolkit for building AI apps — unified model API, streaming, structured output, tool calling, and UI hooks.
open sourcesdk