AI Agent Frameworks

Compare AI agent frameworks - from code-first SDKs to no-code platforms. Build autonomous AI agents that can reason, use tools, and complete complex tasks.

工具

开源

类别

Framework

LangChain

Framework开源

The most popular framework for building LLM-powered applications. Provides chains, agents, memory, and tool integrations.

Largest ecosystemMany integrationsLangSmith observability

价格： Free (open source)

LlamaIndex

Framework开源

Data framework for building RAG and agent applications. Excels at connecting LLMs to structured and unstructured data sources.

RAG-focusedData connectorsKnowledge graphs

价格： Free (open source)

Haystack

Framework开源

End-to-end NLP framework by deepset for building search and RAG pipelines. Strong focus on production deployment.

Production-readyPipeline architectureSearch-focused

价格： Free (open source)

Multi-Agent

CrewAI

Multi-Agent开源

Multi-agent orchestration framework. Define teams of AI agents with roles, goals, and tools that collaborate to complete tasks.

Multi-agent teamsRole-basedEasy orchestration

价格： Free (open source) / Enterprise

AutoGen

Multi-Agent开源

Microsoft's framework for building multi-agent conversations. Agents can chat, use tools, and execute code collaboratively.

Multi-agent chatCode executionMicrosoft backed

价格： Free (open source)

SDK

Semantic Kernel

SDK开源

Microsoft's SDK for integrating AI into applications. Supports .NET, Python, and Java with plugin architecture.

Multi-languageEnterprise readyPlugin system

价格： Free (open source)

No-Code Platform

Dify

No-Code Platform开源

Open-source platform for building AI applications with visual workflow editor. Supports RAG, agents, and chatbots.

Visual workflowNo-code optionSelf-hostable

价格： Free (open source) / Cloud plans

n8n

No-Code Platform开源

Workflow automation platform with built-in AI nodes. Connect AI models to 400+ integrations with visual flow builder.

400+ integrationsVisual builderSelf-hostable

价格： Free (open source) / Cloud plans

Flowise

No-Code Platform开源

Open-source drag-and-drop UI for building LLM flows. Makes it easy to prototype and deploy AI chains and agents.

Drag-and-dropEasy prototypingLangChain compatible

价格： Free (open source)

Frequently Asked Questions

We track 9 ai agent frameworks tools. LangChain is among the most popular options. See our full directory above for pricing, features, and open-source status of each tool.

Yes, several ai agent frameworks offer free tiers or are fully open-source. Check the pricing column in our directory to find free and open-source options.

Consider your specific needs: budget (free vs paid), whether you need open-source, integration requirements, and the specific AI models you want to use. Our directory includes feature highlights to help you compare.

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LLM Observability Tools

6 工具