TalkStack AI vs Unreal Speech

Comparing the features of TalkStack AI to Unreal Speech

Feature
TalkStack AI
Unreal Speech

Capability Features

AI & Human Collaboration
AI Native Call Center Stack
Appointment Booking
Asynchronous Requests
Automated Reminders
Automatic Call Recording & Chat Display
Available 24/7
Continuous Learning
Custom Workflows
Dashboard Access
Dashboard Customization
Enterprise-Grade Security
Handle High Volume
Thousands of calls
High Automation Rate
98
Human Agent Escalation
Lead Qualification
Max Audio Duration
10 hours
Max Monthly Characters
7000000000
Multilingual Support
Over 20 languages
No Code Required
Omnichannel Support
TextVoiceDigital Messaging
Per-sentence Timestamps
Per-word Timestamps
Production Ready Infrastructure
Streaming Endpoint
Streaming Latency
0.3s
Supported Audio Codecs
libmp3lamepcm_mulaw
Supported Bitrates
320k256k192k128k96k64k48k32k16k
Supported Language List
US EnglishUK EnglishMandarin ChineseHindiSpanishPortugueseJapaneseFrenchItalian
Supported Voices
48
Synchronous Requests
Text-to-Speech API
/stream/speech/synthesisTasks/streamWithTimestamps
Tier 1-2 Support Automation
Uptime SLA
99.9%
Usage Commercial Rights
Visualised Insights
Voice and Text Support
VoiceText
Voice Cloning
Voice Parameter Control
SpeedPitch
WebSocket Streaming

Integration Features

API Documentation
API Integration
PythonNode.jsReact NativeBash
Sign In Methods
GoogleEmail
Supported Export Formats
MP3PCM µ-law
WhatsApp Integration

Limitation Features

Attribution Requirement
Free plan requires attribution
Max Characters /speech
3000
Max Characters /stream
1000
Max Characters /synthesisTasks
500000
No Public Pricing Listed

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
Elite Plan Quota
625000000
Enterprise Plan Price
$4999/month
Free Characters Limit
250000
Free Plan Rollover
Free Tier
Free Trial
Paid Plan Rollover
Subscription Plans
BasicPlusProEnterprise
Trial Period