Amazon Lex vs Voiceflow vs Vapi 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
Voiceflow
Competitor 2
Vapi
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.
Remove
Competitor Voiceflow
voiceflow.com
Design conversations visually
Make main Remove
Competitor Vapi
vapi.ai
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
Make main Remove
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.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
385Kvisits/mo
—
—
MoM change
—
▼ 5.8%
—
—
6-month growth
—
-35.3%
—
—
Global rank web
—
#93,201
—
—
Avg. last 3 months
—
407.5K
—
—
Bounce rate lower is better
—
38%
—
—
Pages / visit
—
5.2
—
—
Visit duration
—
3m 07s
—
—
Traffic sources
—
● Direct 75% · ● Referral 24%
—
—
Amazon LexVoiceflowVapiCognigy
0150K300K450.1K600.1KVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385K100K1MVoiceflow · 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
—
Starting price
—
Free tier
$29per month
—
Free tier
–
–
–
Free trial
–
–
API access
–
Plans
Pay-as-you-go $0.00075
—
No Success Package FreeCore $29/moPro $999/moPremier Custom
—
Capabilities input → output
Input
AudioText
DocumentsText
AudioText
AudioText
Output
Apps
Apps
AppsAudio
AppsAudioText
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Business & MarketingChatbots & CompanionsVoice & SpeechAI Call Center+3 more
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+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
13
11
12
Voice agents
Customer support
Call center automation
Chatbots
–
Agent creation
–
Call agents
–
Chatbot building
–
Customer support chatbot
–
Calls
–
Agents
–
–
APIs
–
–
Developer tools
–
–
Call answering
–
–
Customer support automation
–
–
–
Conversation automation
–
–
–
Customer calls
–
–
–
Voice assistance
–
–
–
Agent testing
–
–
–
Chatbot integration
–
–
–
No-code
–
–
–
Website to chatbot
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

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.