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UpSynth vs Whisper Web

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

UpSynth compared with Whisper Web
DetailUpSynth logo UpSynthWhisper Web logo Whisper Web
What it doesAI image enhancement with control Privacy-first browser-based AI speech recognition powered by OpenAI's Whisper model
StageNot given Startup
FoundedNot given 2026
Based inAT Not given
Pricing modelFreemium Freemium
PricingNot given Free: $0 - unlimited local transcription for files up to 200 MB / 20 minutes. Unlimited: US$20/month or US$10/month billed yearly - cloud transcription up to 10 hours / 5 GB, batch upload of 50 files, cross-device sync.
Key features
  • Upscale with intelligent detail refinement and artifact removal
  • Restore selectively corrects distorted or misinterpreted image areas
  • Modify adjusts image content via text prompts with multiple variants
  • Concurrent workers for parallel upscaling
  • Credit-based system with standard and large upscales
  • Image retention up to 3x multiplier
  • Works in browser without installation
  • GDPR compliant with EU hosting
  • Browser-based speech recognition with no installation required
  • Support for 99 languages with automatic language detection
  • Local processing with WebGPU acceleration for privacy
  • Multiple input options: microphone, file upload, URL/browser audio
  • Export to multiple formats: TXT, JSON, SRT, VTT
  • Works offline once the model is downloaded
  • Cloud transcription for files up to 10 hours / 5 GB
  • Batch upload and cross-device sync with Unlimited plan
  • No account required to start transcribing
What makes it different
  • Multiple result variants to choose from
  • No use of user images for AI model training
  • EU hosting with GDPR compliance
  • Flexible pricing with credits, subscriptions, or free trial
  • Privacy-first: free mode keeps all audio on your device with no server uploads
  • Zero setup required - no downloads, API keys, or account needed
  • Powered by OpenAI's state-of-the-art Whisper AI model
  • GPU-accelerated processing with WebGPU for fast local transcription
  • Supports 99 languages with automatic detection, no manual selection needed
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)30 −1 (down) since last check15 +1 (up) since last check
Trust Flow (Majestic)2022
Citation Flow (Majestic)2433
Referring domains (Majestic)74159

4 details filled in for both companies.

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