Vocode vs Vapi vs LangChain vs Retell AI

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

Your tool
Vocode
vs
Competitor 1
Vapi
Competitor 2
LangChain
Competitor 3
Retell AI
Compare
4 tools · best value per row highlighted
Your tool Vocode
vocode.dev
Vocode is an open-source toolkit for building voice-based AI agents.
Competitor Vapi
vapi.ai
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
Competitor LangChain
langchain.com
Framework for building with large language models
Competitor Retell AI
retellai.com
Retell AI is a voice agent platform for automating phone calls.
Traffic estimated monthly website traffic
Monthly visits
—
—
3.4Mvisits/mo
—
MoM change
—
—
▲ 0.7%
—
6-month growth
—
—
+21.0%
—
Global rank web
—
—
#13,384
—
Avg. last 3 months
—
—
3.3M
—
Bounce rate lower is better
—
—
42%
—
Pages / visit
—
—
6.2
—
Visit duration
—
—
5m 29s
—
Traffic sources
—
—
● Direct 73% · ● Referral 24%
—
VocodeVapiLangChainRetell AI
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Freemium
Paid
Starting price
Free
$29per month
$39per month · free tier available
—
Free tier
–
–
Free trial
–
–
API access
–
Plans
—
No Success Package FreeCore $29/moPro $999/moPremier Custom
Developer FreePlus $39/moEnterprise Custom/mo
Pay as you go CustomEnterprise Custom
Capabilities input → output
Input
AudioText
AudioText
CodeText
AudioText
Output
Audio
AppsAudio
Apps
AppsAudio
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
11
6
10
Agent creation
Voice agents
–
Developer tools
–
Call agents
–
Call center automation
–
–
APIs
–
–
Call answering
–
–
Calls
–
–
Customer calls
–
–
Customer support
–
–
Agent testing
–
–
Agents
–
–
–
LLM development
–
–
–
Development
–
–
–
Customer support automation
–
–
–
SMS marketing
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 1
▲ 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.