OpenAI Text To Speech vs Unreal Speech

Comparing the features of OpenAI Text To Speech to Unreal Speech

Feature
OpenAI Text To Speech
Unreal Speech

Capability Features

Age Selection
Asynchronous Requests
Audio Settings
Audio Speed Setting Range
1
Bookmark Page
Country Selection
Create Speech Button
Custom Voice Selection
AlloyEchoFableOnyxNovaShimmerAshCoralSage
Dashboard Access
Favorite Voice Option
Gender Selection
High Quality Voices
Integrated Audio Player
Max Audio Duration
10 hours
Max Monthly Characters
7000000000
Per-sentence Timestamps
Per-word Timestamps
Production Ready Infrastructure
Reset Filters
Sample Playback
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 Characteristics
NeutralProfessionalClearWarmFriendlyEngagingEnergeticExpressiveMatureExperiencedYoungOldFemaleMaleLivelyVibrantDynamicCheerfulCommunity-orientedWiseCalmKnowledgeable
Voice Parameter Control
SpeedPitch
WebSocket Streaming

Integration Features

API Documentation
API Integration
PythonNode.jsReact NativeBash
API Integrations
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
Pricing Information
Processing Delay
Video Tutorial Requirement
Watch 30 seconds
Voice Cloning

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