AsyncAI Voice API vs OpenAI Text To Speech

Comparing the features of AsyncAI Voice API to OpenAI Text To Speech

Feature
AsyncAI Voice API
OpenAI Text To Speech

Capability Features

Advanced Speech Features
emotional inflectionrhythm controlmultilingual support
Age Selection
API Access
API Sample Rate Support
44100
API Streaming
Audio AI Features
end-to-end editingnoise cancellationAI-powered refinement
Audio Settings
Audio Speed Setting Range
1
Bookmark Page
Comprehensive Documentation
Country Selection
Create Speech Button
Creative Suite Tools
PodcastingVideo AIAudio AIVoice AI
Custom Voice Selection
AlloyEchoFableOnyxNovaShimmerAshCoralSage
Favorite Voice Option
Gender Selection
High Quality Voices
Infinite Voice Styles
Infinite
Integrated Audio Player
Lifelike Text-to-Speech
Low Latency
Podcasting Features
audio enhancementnoise reductionvoice conversion
Quick Implementation
<10 minutes
Reset Filters
Sample Playback
Supported Language List
20+
Supported Use Cases
Customer ServiceGame DevelopmentDigital MarketingDigital PublishingPatient CommunicationConversion OptimizationConversational AI / AgentsGlobal ReachDigital Humans / AI AvatarsSupply ChainTalent AcquisitionInclusive Design
Text to Speech
Uptime and Reliability
Video AI Features
intelligent video editingautomatic captioningvisual enhancement
Voice AI Tools
text-to-speechvoice cloning
Voice Characteristics
NeutralProfessionalClearWarmFriendlyEngagingEnergeticExpressiveMatureExperiencedYoungOldFemaleMaleLivelyVibrantDynamicCheerfulCommunity-orientedWiseCalmKnowledgeable
Voice Cloning
Voice Cloning Sample Duration
3
Voice Library
1000
Voice Model Version
asyncFlow v1.0
Voice Output Emotional Styles
ExcitedNeutralWarm

Integration Features

API Implementation Languages
PythonJavaScriptcURL
API Integrations
API Output File Formats
WAVraw PCM (pcm_f32le)
Platform Integrations
APIPythonJavaScriptcURL

Limitation Features

API Key Integration
No Pricing Information
No Usage Quotas Stated
Pricing Information
Processing Delay
Video Tutorial Requirement
Watch 30 seconds

Pricing Features

Developer-friendly Pricing
Developer-friendly
Free Tier