Vapi vs Deepgram Voice Agent API vs Defapi 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
Competitor 1
Deepgram Voice Agent API
Competitor 2
DDefapi
Competitor 3
CloudTalk | AI Voice Agents
Compare
4 tools · best value per row highlighted
Your tool Vapi
vapi.ai
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
Competitor Deepgram Voice Agent API
deepgram.com
The Deepgram Voice Agent API is one real-time API that combines speech recognition, language model orchestration and speech synthesis, so developers do not have to stitch separate services together.
Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
Competitor 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
—
—
2.4Kvisits/mo
746.4Kvisits/mo
MoM change
—
—
▼ 42.6%
▲ 24.7%
6-month growth
—
—
-86.2%
+96.5%
Global rank web
—
—
#4,650,820
#59,084
Avg. last 3 months
—
—
4.8K
606.8K
Bounce rate lower is better
—
—
36%
35%
Pages / visit
—
—
1.4
5.2
Visit duration
—
—
7s
4m 57s
Traffic sources
—
—
—
● Direct 86% · ● Referral 8%
VapiDeepgram Voice Agent APIDefapiCloudTalk | AI Voice Agents
0186.6K373.2K559.8K746.4KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KCloudTalk | AI Voice Agents · 346.4KCloudTalk | AI Voice Agents · 314.5KCloudTalk | AI Voice Agents · 422.8KCloudTalk | AI Voice Agents · 379.8KCloudTalk | AI Voice Agents · 474.1KCloudTalk | AI Voice Agents · 436.3KCloudTalk | AI Voice Agents · 475.8KCloudTalk | AI Voice Agents · 598.4KCloudTalk | AI Voice Agents · 746.4K1K10K100K1MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KCloudTalk | AI Voice Agents · 346.4KCloudTalk | AI Voice Agents · 314.5KCloudTalk | AI Voice Agents · 422.8KCloudTalk | AI Voice Agents · 379.8KCloudTalk | AI Voice Agents · 474.1KCloudTalk | AI Voice Agents · 436.3KCloudTalk | AI Voice Agents · 475.8KCloudTalk | AI Voice Agents · 598.4KCloudTalk | AI Voice Agents · 746.4KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Paid
Freemium
Starting price
$29per month
—
—
$25per month · free tier available
Free tier
–
–
–
Free trial
–
API access
–
Plans
No Success Package FreeCore $29/moPro $999/moPremier Custom
Pay As You Go CustomGrowth $4,000/yrEnterprise Custom
Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
Plans Custom/mo
Capabilities input → output
Input
AudioText
AudioText
TextImagesAudio
DocumentsAudio
Output
AppsAudio
AudioText
TextImagesAudio
Audio
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
11
11
4
12
Voice agents
–
APIs
–
Call center automation
–
Customer calls
–
Call agents
–
–
Call answering
–
–
Customer support
–
–
Agent creation
–
–
Calls
–
–
Developer tools
–
–
API integrations
–
–
–
API management
–
–
–
Receptionist
–
–
–
Sales calls
–
–
–
Text to speech
–
–
–
Transcription
–
–
–
Virtual receptionist
–
–
–
Voice
–
–
–
Voice assistance
–
–
–
API security
–
–
–
Agent testing
–
–
–
Customer support automation
–
–
–
Sales
–
–
–
Speech to speech
–
–
–
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
–
–
–
–

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.