AsyncAI Voice API vs SpeechGen.io

Comparing the features of AsyncAI Voice API to SpeechGen.io

Feature
AsyncAI Voice API
SpeechGen.io

Capability Features

Adjustable Pitch
Adjustable Sample Rate
48000 Hz44100 Hz24000 Hz16000 Hz12000 Hz8000 Hz
Adjustable Speed
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
Audio to Text
Cloud History Save
Commercial Use Allowed
Comprehensive Documentation
Creative Suite Tools
PodcastingVideo AIAudio AIVoice AI
DOCx to Audio Conversion
Download After Generation
Emphasis Control
Favorites System
Infinite Voice Styles
Infinite
Intonation Adjustment
Lifelike Text-to-Speech
Low Latency
Maximum Text Length Per Query
2000000
Multi-Voice Feature
Partial Edit Re-dubbing
Pause Control
PDF to Audio Conversion
Podcasting Features
audio enhancementnoise reductionvoice conversion
Pronunciation Control
Quick Implementation
<10 minutes
SSML Tag Support
Subtitle to Audio
Supported Language List
20+
Supported Use Cases
Customer ServiceGame DevelopmentDigital MarketingDigital PublishingPatient CommunicationConversion OptimizationConversational AI / AgentsGlobal ReachDigital Humans / AI AvatarsSupply ChainTalent AcquisitionInclusive Design
Total Supported Languages
146
Uptime and Reliability
Video AI Features
intelligent video editingautomatic captioningvisual enhancement
Video to Text
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 Selection
AmeliaAndrewAvaBlueBrian WhiteDanielle plusDavisElijahEmma CoxEvelynGregory plusHollyHunterIvy plusJane SmithJasonJoanna plusJoey plusJohnJustin plusKaiKendra plusKimberly plusKolbyLuna BellMatthew plusNancyOliverRogerRuth plusSalli plusScottSimon USSkylerSteffanTonyJenniferHannaKelsyArnoldEllisJackFennyBartDenAngelGloryHelenIronJerryAveryGuyAmberAnnyAshleyBrandonChristopherCoraElizabethEricJacobJennyMichelleMonicaSaraKevin plusSalliJoannaIvyKendraKimberlyMatthewJustinJoeyAda USAdam USAlessio USAlloy USAmanda USAndrew USArabella USAva USBrandon USBrian USChristopher USCora USDavis USDerek USDustin USEcho USEmma USEvelyn USFable USFlorian USGiuseppe USHyunsu USIsabella USIsidora USJenny USLewis USLola USLucien USMacerio USMarcello USMasaru USNancy USNova USOllie USOnyx USPhoebe USRemy USRyan USSamuel USSeraphina USSerena USShimmer USSteffan USThalita USTristan USVivienne USXiaochen USXiaoxiao USXiaoyu USXimena USYunfan USYunxiao USYunyi US
YT Transcribe

Integration Features

API Implementation Languages
PythonJavaScriptcURL
API Output File Formats
WAVraw PCM (pcm_f32le)
Export Formats
mp3wavoggopus
Platform Integrations
APIPythonJavaScriptcURL
Video Software Compatibility
Adobe PremierAfter effectsAuditionDaVinci ResolveApple MotionCamtasiaiMovieAudacity
WordPress Plugin

Limitation Features

API Key Integration
Limits by Character Count
No Pricing Information
No Subscription
No Usage Quotas Stated

Pricing Features

Audio Character Limit
4000
Developer-friendly Pricing
Developer-friendly
Free Characters With Registration
2000
Free Characters Without Registration
1000
Free Tier
Reference only, limited features
One-Time Payment Option
Pay-as-you-go Plan
Premium Voice Character Limit
2000
Pricing Per 1000 Characters
$0.08