Retell AI vs Speechly

Comparing the features of Retell AI to Speechly

Feature
Retell AI
Speechly

Capability Features

Agent Builder
Agent Testing
API Access
Appointment Scheduling
Auto-Sync Knowledge Base
Automatic Formatting
Automatic Scalability
Millions of concurrent calls
Batch Calls
Branded Caller ID
Call History
Call Monitoring
Call Transfer Options
Custom Vocabulary Support
Custom Voice Commands
Edge Case Handling
Email Mode
Enterprise Grade Security
Fast Transcription Speed
Under 3 seconds
Global Reach
Industry Compliance
SOC 2 Type 1&2HIPAAGDPR
LLM-Powered
Long-Form Resilience
Low Latency
500ms latency
Message Mode
Multi-language Support
18+ languages
Multilingual Support
150+ languages
Multiple Deployment Channels
AI phone callsWeb callsSMSChat
Natural Language Conversations
Navigate Through IVR
No Concurrency Limits
No Missed Context
Platform Uptime
99.99% uptime
Prompt Mode
To-Do Mode
Transcription Speed
180+ words per minute
Verified Phone Numbers
Voice-to-Text
Voicemail Detection
Works Across Apps

Integration Features

CRM/Automation Integrations
Cal.comn8nGoHighLevelTwilioVonageOpenAI
Integrates with Any CRM
Integrates with Any Telephony
Integrates with Automation Platforms
Integrates with Databases
Platform Integrations
GmailSlackNotionDiscord
Supported Platforms
MacOS
Telephony Integration
TwilioVonageTelnyxPlivoRingCentral

Limitation Features

API or Plugin Integration
File Formats Supported
Not specified
Minimum OS Requirements
MacOS Ventura 13.1 or higher
No Desktop App Mentioned
No Mentioned Self-hosting
No Public Pricing Listed
Platform Limitation
MacOS only
User Limit
Not specified

Pricing Features

Free Tier
No Credit Card Required
Pricing Plan Details