Vapi vs Haystack vs Hal vs CloudTalk | AI Voice Agents
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Vapi
vs
Vapi
Competitor 1
Haystack
Haystack
Competitor 2
Hal
Hal
Competitor 3
CloudTalk | AI Voice Agents
CloudTalk | AI Voice AgentsCompare
4 tools · best value per row highlighted
Your tool
Vapi
Vapi
vapi.ai
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
Competitor
Haystack
Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Competitor
Hal
Hal
hal9.com
Hal9 is a powerful platform for quickly building and deploying fully customizable AI chatbots, powered by your data with complete privacy.
In just under 5 minutes, you can create a tailored chatbot t
Competitor
CloudTalk | AI Voice Agents
CloudTalk | AI Voice Agents
cloudtalk.io
CloudTalk AI Voice Agents answer and make phone calls around the clock and sound natural doing it.
Traffic estimated monthly website traffic
Monthly visits
—
—
3.4Kvisits/mo
746.4Kvisits/mo
MoM change
—
—
▼ 10.9%
▲ 24.7%
6-month growth
—
—
+60.6%
+96.5%
Global rank web
—
—
#6,156,551
#59,084
Avg. last 3 months
—
—
3.9K
606.8K
Bounce rate lower is better
—
—
39%
35%
Pages / visit
—
—
1.1
5.2
Visit duration
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—
—
4m 57s
Traffic sources
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—
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● Direct 86% · ● Referral 8%
VapiHaystackHalCloudTalk | AI Voice Agents
Pricing
Model
Freemium
—
Freemium
Freemium
Starting price
$29per month
—
$2,000per month
$25per month · free tier available
Free tier
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–
–
Free trial
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–
API access
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–
–
Plans
No Success Package FreeCore $29/moPro $999/moPremier Custom
—
Startups $2,000/mo
Plans Custom/mo
Capabilities input → output
Input
AudioText
CodeDocuments
CodeText
AudioDocuments
Output
AppsAudio
Apps
Apps
Audio
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
11
7
4
12
Voice agents
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Agent creation
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Call agents
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Call center automation
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APIs
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Call answering
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Customer calls
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Customer support
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Developer tools
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Calls
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Agents
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–
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Chatbot building
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Chatbots
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LLM development
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RAG
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Document chat
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–
–
Receptionist
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–
–
Sales calls
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–
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Virtual receptionist
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–
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Agent memory
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–
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Agent testing
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–
–
Customer support automation
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Sales
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Self hosted
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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
▲ 0
▲ 0
▲ 0
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.