Semantic Kernel vs Chat4Data vs Haystack vs LangChain

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

Your tool
Semantic Kernel
vs
Competitor 1
Chat4Data
Competitor 2
Haystack
Competitor 3
LangChain
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 Chat4Data
airparser.com
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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 LangChain
langchain.com
Framework for building with large language models
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Traffic estimated monthly website traffic
Monthly visits
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46.4Kvisits/mo
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3.4Mvisits/mo
MoM change
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▼ 4.7%
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▲ 0.7%
6-month growth
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+77.8%
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+21.0%
Global rank web
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#637,750
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#13,384
Avg. last 3 months
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45.8K
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3.3M
Bounce rate lower is better
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37%
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42%
Pages / visit
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2.6
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6.2
Visit duration
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26s
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5m 29s
Traffic sources
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● Direct 77% · ● Referral 23%
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● Direct 73% · ● Referral 24%
Semantic KernelChat4DataHaystackLangChain
0850.7K1.7M2.6M3.4MChat4Data · 17.6KChat4Data · 21.3KChat4Data · 34.2KChat4Data · 19.4KChat4Data · 26.1KChat4Data · 28.7KChat4Data · 25.8KChat4Data · 42.1KChat4Data · 48.7KChat4Data · 46.4KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M10K100K1M10MChat4Data · 17.6KChat4Data · 21.3KChat4Data · 34.2KChat4Data · 19.4KChat4Data · 26.1KChat4Data · 28.7KChat4Data · 25.8KChat4Data · 42.1KChat4Data · 48.7KChat4Data · 46.4KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Free
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Freemium
Starting price
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Free
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$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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Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
CodeText
DocumentsImagesText
CodeDocuments
CodeText
Output
Apps
Data
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Productivity & OfficeAI Document ExtractionAI Workflow
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
8
7
6
Agent creation
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Agents
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LLM development
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Developer tools
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Data extraction
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Document data extraction
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RAG
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Development
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Document processing
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Email extraction
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Invoice data extraction
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API integrations
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Agent memory
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Agent testing
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OCR
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Self hosted
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Text extraction
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Zapier assistance
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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▲ 1
Saves
0
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Reviews
0
0
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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.