Best AI tools for agent frameworks
Libraries and platforms for building your own AI agents.
14 tools ranked · Editorial order · Last updated · How we rank
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- #1
The default ecosystem; LangGraph is the reason to use it.
Best for: Production agent graphs
- #2
OpenAI Agents SDK
FreeThe simplest way to build a solid agent in Python.
Best for: Getting started fast
- #3
Claude Agent SDK
FreeThe same harness as Claude Code, for your own agents.
Best for: Coding and computer agents
- #4
- #5
- #6
Agent-Native
FreeAgent and UI share one set of actions, exposed over MCP and A2A too.
Best for: Agents with a real app UI
- #7
- #8
- #9
- #10
Google's agent kit with a path to Cloud.
Best for: Google Cloud teams
- #11
- #12
- #13
- #14
Other use cases
Coding agentsVibe coding & app buildersWritingImage generationVideo generationVoice & text-to-speechMusic generationMeeting notesResearch & searchChatbots & assistantsPresentationsDesign & UIProductivity & automationCustomer supportMarketing & SEOData analysis3D & game assetsEducation & learningTranscriptionVideo editing & clipping