Semantic Kernel vs Haystack vs Langdock 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
Haystack
Competitor 2
LLangdock
Competitor 3
LangGraph
Compare
4 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 Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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Competitor LLangdock
langdock.com
Langdock is an AI adoption platform that puts chat, workflow automation, custom agents, integrations and an API in one workspace for an entire company.
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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.
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Traffic estimated monthly website traffic
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Bounce rate lower is better
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Freemium
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Starting price
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€25per month
$39per month · free tier available
Free tier
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Free trial
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API access
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Plans
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Trial FreeBusiness €25/moEnterprise CustomWorkflows Business add-on €539/mo+1 more
Developer FreePlus $39/moEnterprise Custom
Capabilities input → output
Input
CodeText
CodeDocuments
CodeDocumentsText
Code
Output
Apps
Apps
CodeText
Apps
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Chatbots & CompanionsProductivity & OfficeAI AgentAI Chatbot+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
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7
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Agents
Agent creation
Developer tools
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LLM development
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Self hosted
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Workflows
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Agent memory
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RAG
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Chatbots
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API integrations
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APIs
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Agent collaboration
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Business productivity
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Community on aitoolstime
Rating
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Reviews
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Verified listing
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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.