Haystack vs Knowledge Plane vs LangChain

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

Your tool
Haystack
vs
Competitor 1
Knowledge Plane
Competitor 2
LangChain
Competitor 3
Suggested competitors for Haystack: Pipecat89% LangGraph88% AutoGen88% Rivet85% Semantic Kernel85% IInitRunner85% Langflow84% LiveKit Agents84%
Compare
3 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 Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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3.4Mvisits/mo
MoM change
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▲ 0.7%
6-month growth
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+21.0%
Global rank web
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#13,384
Avg. last 3 months
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3.3M
Bounce rate lower is better
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0%
42%
Pages / visit
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—
6.2
Visit duration
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5m 29s
Traffic sources
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● Direct 73% · ● Referral 24%
HaystackKnowledge PlaneLangChain
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1M10MLangChain · 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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Freemium
Freemium
Starting price
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$19per month · free tier available
$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
CodeDocuments
CodeDocumentsText
CodeText
Output
Apps
Text
Apps
Skill level
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Education & LearningAI Knowledge Management
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
12
6
Developer tools
Agent creation
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Agents
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LLM development
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Agent memory
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Knowledge bases
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Knowledge graphs
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RAG
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Development
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Knowledge
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Knowledge maps
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Knowledge sourcing
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Agent testing
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Code documentation
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Codebase q a
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Digital information management
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Knowledge exchange
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Self hosted
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Slack
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
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.