Voiceflow vs Haystack vs Lambda vs Dialogflow
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Voiceflow
vs
Voiceflow
Competitor 1
Haystack
Haystack
Competitor 2
Lambda
Lambda
Competitor 3
Dialogflow
DialogflowCompare
4 tools · best value per row highlighted
Competitor
Haystack
Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Traffic estimated monthly website traffic
Monthly visits
385Kvisits/mo
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48Mvisits/mo
MoM change
▼ 5.8%
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▲ 1.9%
6-month growth
-35.3%
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+1.6%
Global rank web
#93,201
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#560
Avg. last 3 months
407.5K
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48M
Bounce rate lower is better
38%
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35%
Pages / visit
5.2
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10.4
Visit duration
3m 07s
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7m 47s
Traffic sources
● Direct 75% · ● Referral 24%
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● Direct 67% · ● Referral 29%
VoiceflowHaystackLambdaDialogflow
Pricing
Model
Freemium
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Paid
Freemium
Starting price
Free tier
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Free tier
Free tier
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Free trial
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API access
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Plans
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On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
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Capabilities input → output
Input
DocumentsText
CodeDocuments
CodeData
AudioText
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
13
7
3
7
Agents
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Agent creation
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Chatbot building
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Chatbots
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Customer support
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Customer support chatbot
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Call center automation
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Call agents
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Developer tools
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GPU infrastructure
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LLM development
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RAG
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Voice agents
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Calls
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Agent memory
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Call answering
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Chatbot integration
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Model training
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No-code
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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
▲ 1
▲ 0
▲ 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.