Haystack vs Langflow vs LangChain vs Semantic Kernel

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

Your tool
Haystack
vs
Competitor 1
Langflow
Competitor 2
LangChain
Competitor 3
Semantic Kernel
Compare
4 tools · best value per row highlighted
Your tool 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 Langflow
langflow.org
Drag and drop AI
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Competitor LangChain
langchain.com
Framework for building with large language models
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Competitor 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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Traffic estimated monthly website traffic
Monthly visits
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215.3Kvisits/mo
3.4Mvisits/mo
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MoM change
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▼ 0.7%
▲ 0.7%
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6-month growth
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-4.9%
+21.0%
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Global rank web
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#217,191
#13,384
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Avg. last 3 months
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225.2K
3.3M
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Bounce rate lower is better
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44%
42%
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Pages / visit
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2.2
6.2
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Visit duration
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1m 04s
5m 29s
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Traffic sources
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● Direct 76% · ● Referral 24%
● Direct 73% · ● Referral 24%
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HaystackLangflowLangChainSemantic Kernel
0850.7K1.7M2.6M3.4MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M100K1M10MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
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Free
Freemium
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Starting price
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Free
$39per month · free tier available
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Free tier
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Free trial
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API access
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Plans
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Developer FreePlus $39/moEnterprise Custom/mo
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Capabilities input → output
Input
CodeDocuments
Text
CodeText
CodeText
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
2
9
6
2
Agent creation
Agents
LLM development
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Developer tools
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Development
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No-code
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Chatbots
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Workflows
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APIs
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Agent testing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
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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.