LangChain vs Langdock vs Haystack vs OpenAI Agents SDK

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

Your tool
LangChain
vs
Competitor 1
LLangdock
Competitor 2
Haystack
Competitor 3
OAOpenAI Agents SDK
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
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.
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Competitor OAOpenAI Agents SDK
openai.github.io
The OpenAI Agents SDK is a Python package for building agentic applications with very few abstractions.
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
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MoM change
▲ 0.7%
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6-month growth
+21.0%
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Global rank web
#13,384
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Avg. last 3 months
3.3M
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Bounce rate lower is better
42%
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Pages / visit
6.2
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Visit duration
5m 29s
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Traffic sources
● Direct 73% · ● Referral 24%
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LangChainLangdockHaystackOpenAI Agents SDK
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
Freemium
Freemium
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Free
Starting price
$39per month · free tier available
€25per month
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Free
Free tier
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Free trial
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API access
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Plans
Developer FreePlus $39/moEnterprise Custom/mo
Trial FreeBusiness €25/moEnterprise CustomWorkflows Business add-on €539/mo+1 more
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Capabilities input → output
Input
CodeText
CodeDocumentsText
CodeDocuments
AudioCodeText
Output
Apps
CodeText
Apps
AppsAudio
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
7
7
6
Agents
Agent creation
LLM development
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Developer tools
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Self hosted
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RAG
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Workflows
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Chatbots
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Development
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APIs
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Agent collaboration
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Agent memory
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Agent testing
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Business productivity
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Voice agents
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
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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.