Amazon Lex vs Dialogflow vs Voiceflow vs Cognigy

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

Your tool
Amazon Lex
vs
Competitor 1
Dialogflow
Competitor 2
Voiceflow
Competitor 3
Cognigy
Compare
4 tools · best value per row highlighted
Your tool Amazon Lex
aws.amazon.com
Amazon Lex is a managed AWS service for adding conversational interfaces to applications through voice and text.
Competitor Dialogflow
cloud.google.com
Google's conversational AI
Competitor Voiceflow
voiceflow.com
Design conversations visually
Competitor Cognigy
cognigy.com
NiCE Cognigy, usually called Cognigy, is an enterprise conversational AI platform that deploys generative and agentic AI agents for customer service across voice, chat and messaging channels.
Traffic estimated monthly website traffic
Monthly visits
—
48Mvisits/mo
385Kvisits/mo
—
MoM change
—
▲ 1.9%
▼ 5.8%
—
6-month growth
—
+1.6%
-35.3%
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Global rank web
—
#560
#93,201
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Avg. last 3 months
—
48M
407.5K
—
Bounce rate lower is better
—
35%
38%
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Pages / visit
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10.4
5.2
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Visit duration
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7m 47s
3m 07s
—
Traffic sources
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● Direct 67% · ● Referral 29%
● Direct 75% · ● Referral 24%
—
Amazon LexDialogflowVoiceflowCognigy
013.2M26.5M39.7M52.9MDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385K100K1M10M100MDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
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Starting price
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Free tier
Free tier
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Free tier
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–
Free trial
–
–
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API access
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Plans
Pay-as-you-go $0.00075
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—
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Capabilities input → output
Input
AudioText
AudioText
DocumentsText
AudioText
Output
Apps
Apps
Apps
AppsAudioText
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Tasks what each tool can do · 5 shared · core   partial
Tasks covered
10
7
13
12
Chatbots
Chatbot building
Customer support
Call center automation
Customer support chatbot
Voice agents
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Call agents
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Agents
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Agent creation
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Calls
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Chatbot integration
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Customer support automation
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–
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APIs
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–
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Conversation automation
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–
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Voice assistance
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–
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Call answering
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–
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Developer tools
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–
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No-code
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–
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Website to chatbot
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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–
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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.