Callbook.ai vs Unreal Speech

Comparing the features of Callbook.ai to Unreal Speech

Feature
Callbook.ai
Unreal Speech

Capability Features

24/7 Support
Action Based on Call Results
Advanced Data Security
Asynchronous Requests
Automatic Call Handling
Available 24/7
Business Knowledge Customization
Call Data Analysis
Call Transfer
Custom Accent Selection
Customer Service Calls
Dashboard Access
Demo Scheduling
Five Times Cheaper Than Call Center
5 times cheaper than a call center
Lead Generation
Max Audio Duration
10 hours
Max Monthly Characters
7000000000
Natural Language Calls
Per-sentence Timestamps
Per-word Timestamps
Personalized Assistance
Production Ready Infrastructure
Sales Calls
Scenario Behavior Adjustment
Streaming Endpoint
Streaming Latency
0.3s
Supported Audio Codecs
libmp3lamepcm_mulaw
Supported Bitrates
320k256k192k128k96k64k48k32k16k
Supported Language List
EnglishSpanishPortuguese
US EnglishUK EnglishMandarin ChineseHindiSpanishPortugueseJapaneseFrenchItalian
Supported Voices
48
Synchronous Requests
Text-to-Speech API
/stream/speech/synthesisTasks/streamWithTimestamps
Uptime SLA
99.9%
Usage Commercial Rights
Voice Parameter Control
SpeedPitch
WebSocket Streaming

Integration Features

API Documentation
API Integration
PythonNode.jsReact NativeBash
Integration with Company Tools
Sign In Methods
GoogleEmail
Supported Export Formats
MP3PCM µ-law
Twilio Number Support
Zoho CRM Integration

Limitation Features

Attribution Requirement
Free plan requires attribution
Max Characters /speech
3000
Max Characters /stream
1000
Max Characters /synthesisTasks
500000
No Free Trial
No Pricing Plans Listed
Other Phone Number Support
User Authorization Requirement
Voice Cloning

Other Features

Affiliate Program
Comparison to Competitors
AmazonMicrosoftGoogleElevenLabsPlay.ht

Pricing Features

Additional Usage Price
Basic - $16 per 1M charactersPlus - $12 per 1M charactersPro - $10 per 1M charactersEnterprise - $8 per 1M characters
Custom Pricing
Custom, based on business model and budget
Elite Plan Quota
625000000
Enterprise Plan Price
$4999/month
Free Characters Limit
250000
Free Plan Rollover
Free Tier
Paid Plan Rollover
Subscription Plans
BasicPlusProEnterprise
Trial Period