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PromptSpend vs OiPer

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

PromptSpend compared with OiPer
DetailPromptSpend logo PromptSpendOiPer logo OiPer
What it doesLLM API cost calculator and comparison tool Type at speech speed with private voice dictation
StageNot given Not given
FoundedNot given Not given
Based inNot given BD
Pricing modelOpen source Not given
PricingFree Free: unlimited local transcription with no account required. Pro: $7.99/month or $71.91/year with 180 minutes/day of cloud transcription. Max: $14.99/month or $107.92/year with unlimited cloud transcription.
Key features
  • Estimate LLM API costs for 109 models
  • Compare pricing across 16 providers
  • Paste prompt and see cost comparison
  • Free tier information for each model
  • Optional email price alerts
  • Data processed on device, not transmitted
  • Available as native iPhone and Android apps
  • Pricing API available
  • VS Code extension
  • Local transcription with Whisper models from Tiny to Large v3 Turbo
  • GPU acceleration with CUDA support where available
  • Custom dictionary for personalized transcription
  • Custom formatting prompts to adjust transcription style
  • Support for multiple languages including English, Spanish, French, German, Japanese, Chinese, and more
  • Offline operation with models running on CPU or GPU
  • Support for multiple transcription modes: local, your own API key, or OiPer cloud
What makes it different
  • Pricing automatically re-checked every morning against tracked sources
  • Completely free with no accounts or ads required
  • Pasted text stays on your device and is never transmitted
  • Open source MIT licensed codebase
  • Covers 109 models from 16 providers in a single comparison
  • Transcribes 3.5x faster than cloud APIs entirely on your device with local processing
  • Audio never leaves your device in local mode so dictation works offline with complete privacy
  • Free unlimited transcription on your machine with no account required
  • Works seamlessly in any app where you can type with zero friction workflow
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)8 +1 (up) since last check6 no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)1915
Referring domains (Majestic)483

4 details filled in for both companies.

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