Semantic Kernel vs OpenAI Agents SDK vs LangGraph

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Semantic Kernel
vs
Competitor 1
OAOpenAI Agents SDK
Competitor 2
LangGraph
Competitor 3
Suggested competitors for Semantic Kernel: Haystack92% LangChain92% Rivet91% AutoGen91% Pipecat89% Dify88% Langflow88% Pipedream87%
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3 tools · best value per row highlighted
Your tool Semantic Kernel
learn.microsoft.com
Semantic Kernel is a lightweight, open-source development kit from Microsoft for building AI agents and adding AI models to existing C#, Python or Java codebases.
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Competitor OAOpenAI Agents SDK
openai.github.io
The OpenAI Agents SDK is a Python package for building agentic applications with very few abstractions.
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Competitor LangGraph
langchain.com
LangGraph is an open-source agent runtime and low-level orchestration framework for building AI agents that behave reliably on complex tasks.
Make main Remove
Traffic estimated monthly website traffic
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Free
$39per month · free tier available
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Developer FreePlus $39/moEnterprise Custom
Capabilities input → output
Input
CodeText
AudioCodeText
Code
Output
Apps
AppsAudio
Apps
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
4
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6
Agent creation
Agents
Developer tools
LLM development
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Agent collaboration
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Agent memory
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Voice agents
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Community on aitoolstime
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.