Best AI Agents Frameworks
138 ai agents frameworks compared side by side — filter by pricing, open-source availability and API access to find the one that fits your workflow.
Catalog data sourced from AI Agents Directory.
138 agents
Free
FastAgency
The fastest way to bring multi-agent workflows to production.
Free
CrewAI
Platform for Multi AI Agents System for complex task execution.
Free
Bee Agent Framework
Open-source framework for building, deploying, and serving powerful agentic workflows at scale
Free
Agno
Build AI agents with Python using a powerful and flexible framework.
Paid
Vic SEO Specialist
Automated SEO audits and AI visibility checks for website owners.
Free
AutoGen
An Open-Source Programming Framework for Agentic AI
Freemium
n8n
Workflow automation platform combining AI with business processes. Connect anything to everything.
Free
Agent Zero
A dynamic, general-purpose framework for creating custom AI Agents.
Free
BaseAI.dev
The easiest open-source way to build Serverless autonomous AI agents with memory and tools.
Free
PraisonAI
Multi AI Agents Framework to Automate Tasks
Free
Crab
Framework for building LLM agent benchmark environments in a Python-centric way.
Freemium
LM-Kit SDK
Build Smarter Apps with Language Models
Free
Flowise AI
An open-source low-code platform for building AI agents.
Freemium
LangChain
A framework for building and deploying applications powered by large language models (LLMs).
Freemium
Griptape
Framework for creating AI agents with minimal coding.
Free
AGiXT
Automate AI tasks with adaptive memory and plugins
Free
AgentKit
A TypeScript library to create and orchestrate AI Agents.
Freemium
Portia AI
Build agents that are predictable, controllable and authenticated.
Free
AutoGPT
AI agent that autonomously performs tasks by breaking them down into subtasks.
Free
Burr Framework
Build applications that make decisions (chatbots, agents, simulations, etc...).
Free
upsonicAI
Task-oriented AI agent framework for digital workers and vertical AI agents
Free
SmolAgents
Lightweight AI agent development framework for rapid creation of powerful agents
Free
Agent Genesis
Build custom RAG flows and AI agents using open-source, copy-paste components.
Free
MetaGPT
AI-driven multi-agent framework for automated software development and project management
Free
PydanticAI
Python Agent Framework for building production-grade Generative AI applications
Free
AG2
Framework for orchestrating, optimizing, and automating LLM workflows with multi-agent systems.
Free
ElizaOS
Powerful multi-agent simulation framework for creating and managing autonomous AI agents.
Free
Julep
Framework for creating AI agents that remember past interactions and can perform complex tasks
Free
BAML
A DSL for building production ready applications powered by LLMs
Free
CAMEL
Multi-agent systems, synthetic data generation, task automation, world simulation.
Freemium
Agience
Intelligent Agents for Everyone
Free
Mini LLM Flow
Minimalist LLM Framework in 100 Lines. Enable LLMs to Program Themselves.
Free
InstAgent
Build AI Multi-Agent Systems in Seconds — No Code, Just Ideas!
Free
Semantic Kernel
SDK for integrating and orchestrating AI models with conventional programming languages.
Free
Rig
Build powerful, modular LLM applications in Rust with unified interfaces and high performance.
Free
NeMo Guardrails
Toolkit for adding programmable guardrails to LLM-based conversational AI
Free
ChatDev
Virtual software company that operates through various intelligent agents holding different roles
Free
LaVague
Large Action Models framework to build AI Web Agents
Free
Lyzr-automata
A low-code multi-agent automation framework
Free
Agentflow
Powerfully simple AI agent framework.
Freemium
LlamaIndex
LlamaIndex is the leading data framework for building LLM agents
Freemium
LiveKit Agents
Framework for building real-time, multimodal AI agents
Free
Qauntalogic
A ReAct Agent framework that seamlessly integrates with GPT-4, Claude 3.5, and DeepSeek
Free
Multi-GPT
An experimental multi-agent system enabling collaboration between specialized AI experts.
Freemium
Dendrite
The world's first developer toolkit that makes any website fully accessible to AI Agents.
Free
KaibanJS
KaibanJS -> Kanban for AI Agents. JavaScript Framework for Building Multi-Agent Systems.
Paid
Thynk Forward
Your business. Smarter. Faster.
Free
Mirascope
An OSS Python toolkit for building AI agents and apps with abstractions that aren't obstructions.