WhisperUI vs Unreal Speech

Comparing the features of WhisperUI to Unreal Speech

Feature
WhisperUI
Unreal Speech

Capability Features

Asynchronous Requests
Batch File Upload
Dashboard Access
Desktop Version
Drag & Drop Upload
Edit Transcription
Export SRT Subtitles
Fast Transcription Speed
Most files within a few minutes
File Browse Upload
High Accuracy Model
High (depends on audio quality)
Max Audio Duration
10 hours
Max Monthly Characters
7000000000
Multi-Language Transcription
Per-sentence Timestamps
Per-word Timestamps
Production Ready Infrastructure
Speech to Text
Streaming Endpoint
Streaming Latency
0.3s
Supported Audio Codecs
libmp3lamepcm_mulaw
Supported Bitrates
320k256k192k128k96k64k48k32k16k
Supported Language List
EnglishSpanishFrenchGermanChineseand more
US EnglishUK EnglishMandarin ChineseHindiSpanishPortugueseJapaneseFrenchItalian
Supported Voices
48
Synchronous Requests
Text to Speech
Text-to-Speech API
/stream/speech/synthesisTasks/streamWithTimestamps
Translation to English
Unlimited Daily Uploads
Uptime SLA
99.9%
Usage Commercial Rights
Voice Parameter Control
SpeedPitch
WebSocket Streaming

Integration Features

API Documentation
API Integration
PythonNode.jsReact NativeBash
Sign In Methods
GoogleEmail
Supported Audio Types
mp3mp4mpegmpgam4awavoggwebm
Supported Export Formats
MP3PCM µ-law

Limitation Features

Attribution Requirement
Free plan requires attribution
File Size Limit
25
Max Characters /speech
3000
Max Characters /stream
1000
Max Characters /synthesisTasks
500000
No Internal Billing
OpenAI API Key Required
Voice Cloning
Web App Only

Other Features

Affiliate Program
API Key Stored Locally
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
Direct API Usage Billing
OpenAI API usage billing
Elite Plan Quota
625000000
Enterprise Plan Price
$4999/month
Free Characters Limit
250000
Free Plan Rollover
Free Tier
Has Free Tier
Paid Plan Rollover
Premium Plan Features
Upload multiple files at onceUnlimited daily files uploadTransform audio files into SRT files
Subscription Plans
BasicPlusProEnterprise
Trial Period