Hume AI vs Unreal Speech

Comparing the features of Hume AI to Unreal Speech

Feature
Hume AI
Unreal Speech

Capability Features

Asynchronous Requests
Conversational AI
Dashboard Access
Emotion Instruction
Game and AI Character Use Case
High Quality Voice
Languages Supported
EnglishJapaneseKoreanSpanishFrenchPortugueseItalianGermanRussianHindiArabic
Latency
<200ms
LLM-Powered TTS
Max Audio Duration
10 hours
Max Monthly Characters
7000000000
Media Creation Use Case
Multimodal AI
Per-sentence Timestamps
Per-word Timestamps
Phone Call Use Case
Production Ready Infrastructure
Speech-to-Speech API
Streaming Endpoint
Streaming Latency
0.3s
Supported Audio Codecs
libmp3lamepcm_mulaw
Supported Bitrates
320k256k192k128k96k64k48k32k16k
Supported Language List
US EnglishUK EnglishMandarin ChineseHindiSpanishPortugueseJapaneseFrenchItalian
Supported Voices
48
Synchronous Requests
Text to Speech
Text-to-Speech API
/stream/speech/synthesisTasks/streamWithTimestamps
Uptime SLA
99.9%
Usage Commercial Rights
Voice Cloning
Voice Design
Voice Parameter Control
SpeedPitch
WebSocket Streaming

Integration Features

API Documentation
API Integration
PythonNode.jsReact NativeBash
API Integration With LLMs
HumeClaude Sonnet 4.5Grok 4 FastGPT 5+20 more
Developer SDKs
Python SDKTypescript SDKSwift SDKReact SDKC# SDK
Sign In Methods
GoogleEmail
Supported Export Formats
MP3PCM µ-law

Limitation Features

Attribution Requirement
Free plan requires attribution
Max Characters /speech
3000
Max Characters /stream
1000
Max Characters /synthesisTasks
500000
Text Input Limit
500

Other Features

Affiliate Program
Comparison to Competitors
AmazonMicrosoftGoogleElevenLabsPlay.ht

Pricing Features

Additional Usage Price
Basic - $16 per 1M charactersPlus - $12 per 1M charactersPro - $10 per 1M charactersEnterprise - $8 per 1M characters
Elite Plan Quota
625000000
Enterprise Plan Price
$4999/month
Free Characters Limit
250000
Free Plan Rollover
Free Tier
Paid Plan Rollover
Subscription Plans
BasicPlusProEnterprise
Trial Period