Microsoft Copilot for Windows vs WhisperUI

Comparing the features of Microsoft Copilot for Windows to WhisperUI

Feature
Microsoft Copilot for Windows
WhisperUI

Capability Features

Automatic Conversation End
Batch File Upload
Chime Notification
Copilot Voice Floating UI
Copilot Wake Word
Desktop Version
Drag & Drop Upload
Edit Transcription
Export SRT Subtitles
Fast Transcription Speed
Most files within a few minutes
Feedback Mechanism
File Browse Upload
Hands-Free Voice Activation
High Accuracy Model
High (depends on audio quality)
Manual Conversation End
Mic Usage Indicator
Multi-Language Transcription
On-Device Wake Word Detection
Speech to Text
Supported Language List
EnglishSpanishFrenchGermanChineseand more
Text to Speech
Translation to English
Unlimited Daily Uploads

Integration Features

Microsoft Store Update
Supported Audio Types
mp3mp4mpegmpgam4awavoggwebm

Limitation Features

Feature Not Default
File Size Limit
25
Internet Required for Voice Responses
No Internal Billing
No Local Audio Storage
OpenAI API Key Required
Requires PC Unlocked
Version Requirement
1.25051.10.0 or higher
Wake Word Only in English
English only
Web App Only
Windows Insider Availability
Insiders only

Other Features

API Key Stored Locally

Pricing Features

Direct API Usage Billing
OpenAI API usage billing
Has Free Tier
Premium Plan Features
Upload multiple files at onceUnlimited daily files uploadTransform audio files into SRT files