AsyncAI Voice API vs Speechly

Comparing the features of AsyncAI Voice API to Speechly

Feature
AsyncAI Voice API
Speechly

Capability Features

Advanced Speech Features
emotional inflectionrhythm controlmultilingual support
API Access
API Sample Rate Support
44100
API Streaming
Audio AI Features
end-to-end editingnoise cancellationAI-powered refinement
Automatic Formatting
Comprehensive Documentation
Creative Suite Tools
PodcastingVideo AIAudio AIVoice AI
Custom Vocabulary Support
Custom Voice Commands
Email Mode
Enterprise Grade Security
Fast Transcription Speed
Under 3 seconds
Infinite Voice Styles
Infinite
Lifelike Text-to-Speech
Long-Form Resilience
Low Latency
Message Mode
Multilingual Support
150+ languages
No Missed Context
Podcasting Features
audio enhancementnoise reductionvoice conversion
Prompt Mode
Quick Implementation
<10 minutes
Supported Language List
20+
Supported Use Cases
Customer ServiceGame DevelopmentDigital MarketingDigital PublishingPatient CommunicationConversion OptimizationConversational AI / AgentsGlobal ReachDigital Humans / AI AvatarsSupply ChainTalent AcquisitionInclusive Design
To-Do Mode
Transcription Speed
180+ words per minute
Uptime and Reliability
Video AI Features
intelligent video editingautomatic captioningvisual enhancement
Voice AI Tools
text-to-speechvoice cloning
Voice Cloning
Voice Cloning Sample Duration
3
Voice Library
1000
Voice Model Version
asyncFlow v1.0
Voice Output Emotional Styles
ExcitedNeutralWarm
Voice-to-Text
Works Across Apps

Integration Features

API Implementation Languages
PythonJavaScriptcURL
API Output File Formats
WAVraw PCM (pcm_f32le)
Platform Integrations
APIPythonJavaScriptcURL
GmailSlackNotionDiscord
Supported Platforms
MacOS

Limitation Features

API Key Integration
API or Plugin Integration
File Formats Supported
Not specified
Minimum OS Requirements
MacOS Ventura 13.1 or higher
No Pricing Information
No Usage Quotas Stated
Platform Limitation
MacOS only
User Limit
Not specified

Pricing Features

Developer-friendly Pricing
Developer-friendly
Free Tier
No Credit Card Required