Agent Frameworks
5 toolsTop tools: OpenAI Agents SDK, LangGraph, LlamaIndex
Find and compare tools for every layer of your AI agent stack.
Compare AI agent frameworks, memory, RAG, MCP, evaluation, and tracing tools for every layer of your agent stack.
Rankings
Top 10 by Agent Stack Layer
Switch dimensions to compare the strongest options for each layer.
Best AI Agent Frameworks for Developers
Ranked by editorial fit, production readiness, ecosystem maturity, and learning value.
- 01
LangGraphAgent Frameworks / Agent Memory / Agent TracingStateful graph orchestration for controllable agents.Best for:stateful workflowshuman review nodesreplayable orchestration
- 02
OpenAI Agents SDKAgent Frameworks / Agent Evaluation / Agent TracingA lightweight SDK for agents, tools, handoffs, and traces.Best for:OpenAI-first teamstool callinghandoffs and traces
- 03
LlamaIndexAgentic RAG / Agent Memory / Agent FrameworksData and retrieval framework for LLM and agent apps.Best for:RAGdocument workflowsdata connectors
- 04
CrewAIAgent FrameworksRole-based multi-agent workflow framework.Best for:role modelingmulti-agent teamsbusiness workflows
- 05
Microsoft AutoGenAgent FrameworksFramework for multi-agent conversations and collaboration.Best for:multi-party dialogueresearch prototypescollaborative reasoning
Categories
Choose by Architecture Layer
Each category works like a focused shortlist: what it is, when to use it, recommended tools, related guides, and decision comparisons.
Agent Memory
4 toolsTop tools: LangGraph, LlamaIndex, Mem0
Agentic RAG
4 toolsTop tools: LlamaIndex, Chroma, Pinecone
MCP Servers
1 toolsTop tools: Model Context Protocol
Agent Evaluation
2 toolsTop tools: OpenAI Agents SDK, LangSmith
Agent Tracing
3 toolsTop tools: OpenAI Agents SDK, LangGraph, LangSmith
Compare and learn
Decision Q&A
Start from the problem you need to solve.
Choose a framework when orchestration, state, tools, and handoffs need one runtime boundary.
Fresh tool pages
Recently Added
OpenAI Agents SDKA lightweight SDK for agents, tools, handoffs, and traces.Added 2026-05-11LangGraphStateful graph orchestration for controllable agents.Added 2026-05-11LlamaIndexData and retrieval framework for LLM and agent apps.Added 2026-05-10CrewAIRole-based multi-agent workflow framework.Added 2026-05-10Microsoft AutoGenFramework for multi-agent conversations and collaboration.Added 2026-05-09Mem0Long-term memory layer for agents and assistants.Added 2026-05-09
Alternative pages
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Use cases
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Customer support agentsFind agent memory, RAG, and evaluation tools for customer-facing support tasks.Internal knowledge assistantsChoose retrieval, vector search, and MCP tooling for private knowledge assistants.Research agentsFind orchestration, retrieval, and tracing tools for source-aware research tasks.Developer tool agentsPick tool protocols, frameworks, and tracing systems for developer-facing agents.Business automation agentsCompare frameworks and tool boundaries for business automation agents.Agent startupsPick a lean agent stack for startup prototypes, demos, and first production pilots.