LlamaIndex vs Haystack vs InitRunner vs LangChain

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

Your tool
LlamaIndex
vs
Competitor 1
Haystack
Competitor 2
IInitRunner
Competitor 3
LangChain
Compare
4 tools · best value per row highlighted
Your tool LlamaIndex
llamaindex.ai
Connect AI to your data
Remove
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Competitor IInitRunner
initrunner.ai
InitRunner is open source and free
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
324Kvisits/mo
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3.4Mvisits/mo
MoM change
▼ 21.0%
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▲ 0.7%
6-month growth
-29.5%
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+21.0%
Global rank web
#118,014
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#13,384
Avg. last 3 months
398.3K
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3.3M
Bounce rate lower is better
46%
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0%
42%
Pages / visit
2.8
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6.2
Visit duration
1m 57s
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5m 29s
Traffic sources
● Direct 74% · ● Referral 20%
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● Direct 73% · ● Referral 24%
LlamaIndexHaystackInitRunnerLangChain
0850.7K1.7M2.6M3.4MLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M100K1M10MLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
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Free
Freemium
Starting price
Free tier
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Free
$39per month · free tier available
Free tier
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Free trial
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API access
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Plans
Free FreeStarter Custom/moPro Custom/moEnterprise Custom/mo
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Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
DocumentsImages
CodeDocuments
DocumentsText
CodeText
Output
DataText
Apps
AppsText
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
12
7
5
6
Agents
Developer tools
Agent creation
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LLM development
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RAG
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Development
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Agent memory
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Data extraction
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Document data extraction
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Document processing
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OCR
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Text extraction
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Agent testing
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Information retrieval
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Medical data extraction
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Self hosted
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Workflows
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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▲ 1
Saves
0
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Reviews
0
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Prompts
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.