AssemblyAI vs Vapi

Comparing the features of AssemblyAI to Vapi

Feature
AssemblyAI
Vapi

Capability Features

A/B Experiments
AI Guardrails
API Access
API Configurability
4.2K+ configuration points
API-First Architecture
Auto-Language Detection
Automated Test Execution
Automatic Scalability
Millions of calls
Bring Your Own Models
Community Support
13000
Custom Phone Number
Dedicated Deployment Engineer
Documentation
Enterprise Compliance
SOC2HIPAAPCI
Inbound Calls
Industry Leading Accuracy
Keyterms Prompting
Multi-language Support
100+ languages
No-Code Playground
No-code/Low-code Workflow
Outbound Calls
Prebuilt Templates
1000s
Preferred by End Users
Preferred by 73% of end users
Reduced Hallucinations
Up to 30% less
Scalable Platform
Smart Formatting
Speaker Diarization
Speech Understanding
Speech-to-Text
Supported Audio Types
Pre-recorded and streaming audio
Tool Calling
Ultra-low Latency
Sub-500ms
Uptime SLA
99.99% uptime

Integration Features

API Integrations
Client SDK
React (web SDK)
Downloadable SDK ZIP
Github Repository
Integrations Information
40+ apps
OpenAI Integration
openaigpt-4o
Platform Integrations
API
Server SDKs
TypeScriptPythoncURL

Limitation Features

No Built-in Telephony Provider Mentioned
No Explicit Feature Limits
No Explicit Pricing Details
No Explicit Usage Quotas Listed
No File Format Support Listed
No Throttling

Pricing Features

Free API Trial
Free Tier
No Contracts
Pay as you go pricing