Haystack vs Voiceflow vs Langflow vs LangChain

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

Your tool
Haystack
vs
Competitor 1
Voiceflow
Competitor 2
Langflow
Competitor 3
LangChain
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.
Remove
Competitor Voiceflow
voiceflow.com
Design conversations visually
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
385Kvisits/mo
215.3Kvisits/mo
3.4Mvisits/mo
MoM change
—
▼ 5.8%
▼ 0.7%
▲ 0.7%
6-month growth
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-35.3%
-4.9%
+21.0%
Global rank web
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#93,201
#217,191
#13,384
Avg. last 3 months
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407.5K
225.2K
3.3M
Bounce rate lower is better
—
38%
44%
42%
Pages / visit
—
5.2
2.2
6.2
Visit duration
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3m 07s
1m 04s
5m 29s
Traffic sources
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● Direct 75% · ● Referral 24%
● Direct 76% · ● Referral 24%
● Direct 73% · ● Referral 24%
HaystackVoiceflowLangflowLangChain
0850.7K1.7M2.6M3.4MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KLangflow · 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 · 3.4M100K1M10MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KLangflow · 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 '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Free
Freemium
Starting price
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Free tier
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
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Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
CodeDocuments
DocumentsText
Text
CodeText
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+3 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
7
13
9
6
Agents
Agent creation
LLM development
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Developer tools
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Chatbots
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Development
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No-code
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Customer support
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Customer support chatbot
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RAG
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Voice agents
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Call agents
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Call center automation
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Calls
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Chatbot building
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Workflows
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APIs
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Agent memory
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Agent testing
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Call answering
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Self hosted
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Website to chatbot
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.