Deepgram Enterprise Voice AI vs iSpeech TTS & Speech API

Comparing the features of Deepgram Enterprise Voice AI to iSpeech TTS & Speech API

Feature
Deepgram Enterprise Voice AI
iSpeech TTS & Speech API

Capability Features

API Requests per Month
100000000
Audio Intelligence API
Batch Processing
Cloud and Embedded TTS
Cloud Deployment
Context Maintenance
Create IVR Prompts
Custom Business Logic
Custom Models
Custom Voice Cloning
Developer Signups
80000
Download Transcript
English Language Support
File Upload Support
Function Calling
LLM Orchestration
Open Source SDKs
Prompt Updates
Real-time Transcription
Response Injection
SDK Availability
Self-hosted Deployment
Speak Input
Speech Rate Adjustment
SlowRegularFast
Speech Recognition
Speech to Text
Supported Language List
US EnglishUK EnglishAustralian EnglishUS SpanishChineseHong Kong ChineseTaiwan ChineseJapaneseKoreanCanadian EnglishHungarianBrazilian PortugueseEuropean PortugueseEuropean SpanishEuropean CzechEuropean DanishEuropean FinnishEuropean FrenchEuropean NorwegianEuropean DutchEuropean PolishEuropean ItalianEuropean TurkishEuropean GreekEuropean GermanRussianSwedishCanadian FrenchArabic
System Updates for AI
Talking Stickers
Text to Speech
Transcripts Copy
Voice Agent

Integration Features

API Integrations
Audiobook Support
Chrome Extension
Connected Vehicle Integration
External System Integration
Mobile Integration
Partner Integrations
Telephony partners (via PSTN/SIP)
SAPI Integration

Limitation Features

No Explicit Quota Limits
No File Format Support Listed
No Plugin Marketplace
No Pricing Details Listed
Registration Required for Downloads
TTS for Non-Commercial Use Only

Pricing Features

Free Tier
IVR Prompts Free Sample