Amazon Lex vs Vapi vs Cognigy

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

Your tool
Amazon Lex
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Competitor 1
Vapi
Competitor 2
Cognigy
Competitor 3
Suggested competitors for Amazon Lex: Dialogflow84% Yellow82% Splutter AI81% Voiceflow81% ElevenLabs Conversational AI80% GPT Trainer80% Agentzee80% Monobot80%
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3 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.
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Competitor Vapi
vapi.ai
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
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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.
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Traffic estimated monthly website traffic
Monthly visits
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6-month growth
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Global rank web
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Avg. last 3 months
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Bounce rate lower is better
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Pages / visit
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Visit duration
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Pricing
Model
Paid
Freemium
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Starting price
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$29per month
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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
No Success Package FreeCore $29/moPro $999/moPremier Custom
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Capabilities input → output
Input
AudioText
AudioText
AudioText
Output
Apps
AppsAudio
AppsAudioText
Skill level
Advanced
Advanced
Advanced
Categories
Business & MarketingChatbots & CompanionsVoice & SpeechAI Call Center+3 more
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Business & MarketingChatbots & CompanionsAI Call CenterAI Chatbot+1 more
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
10
11
12
Voice agents
Call center automation
Customer support
Chatbots
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APIs
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Agent creation
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Call agents
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Chatbot building
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Customer support chatbot
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Developer tools
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Calls
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Customer support automation
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Agents
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Conversation automation
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Customer calls
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Voice assistance
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Agent testing
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Call answering
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Chatbot integration
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Community on aitoolstime
Rating
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Saves
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Reviews
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Prompts
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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.