tierbun↗

AI models & agents

AI agent frameworks and SDKs

20 frameworks and SDKs for building agents. Compare flexibility, observability, state, integrations and development experience.

20 itemsWith imagesFully editable
Make this tier list ↗

Items in this template

20
LangGraph
LangChain
CrewAI
AutoGen
Microsoft Agent Framework
OpenAI Agents SDK
Claude Agent SDK
Google ADK
Pydantic AI
smolagents
Mastra
Agno
Semantic Kernel
LlamaIndex
Haystack
Strands Agents
VoltAgent
Letta
DSPy
BeeAI Framework

Collection snapshot: 2026-10-25. This is a starting collection, not a finished ranking. Choose your own comparison criterion.

Sources and collection

Names and artwork belong to their respective owners. Add or remove entries in the editor.