AsyncAI Voice API vs Hume AI

Comparing the features of AsyncAI Voice API to Hume AI

Feature
AsyncAI Voice API
Hume AI

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
Comprehensive Documentation
Conversational AI
Creative Suite Tools
PodcastingVideo AIAudio AIVoice AI
Emotion Instruction
Game and AI Character Use Case
High Quality Voice
Infinite Voice Styles
Infinite
Languages Supported
EnglishJapaneseKoreanSpanishFrenchPortugueseItalianGermanRussianHindiArabic
Latency
<200ms
Lifelike Text-to-Speech
LLM-Powered TTS
Low Latency
Media Creation Use Case
Multimodal AI
Phone Call Use Case
Podcasting Features
audio enhancementnoise reductionvoice conversion
Quick Implementation
<10 minutes
Speech-to-Speech API
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 Cloning
Voice Cloning Sample Duration
3
Voice Design
Voice Library
1000
Voice Model Version
asyncFlow v1.0
Voice Output Emotional Styles
ExcitedNeutralWarm

Integration Features

API Implementation Languages
PythonJavaScriptcURL
API Integration With LLMs
HumeClaude Sonnet 4.5Grok 4 FastGPT 5+20 more
API Output File Formats
WAVraw PCM (pcm_f32le)
Developer SDKs
Python SDKTypescript SDKSwift SDKReact SDKC# SDK
Platform Integrations
APIPythonJavaScriptcURL

Limitation Features

API Key Integration
No Pricing Information
No Usage Quotas Stated
Text Input Limit
500

Pricing Features

Developer-friendly Pricing
Developer-friendly
Free Tier