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OiPer vs Engineering Corpus

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

OiPer compared with Engineering Corpus
DetailOiPer logo OiPerEngineering Corpus logo Engineering Corpus
What it doesType at speech speed with private voice dictation Coding agents that cite open-source prior art
StageNot given MVP
FoundedNot given Not given
Based inBD Not given
Pricing modelNot given Freemium
PricingFree: 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. Open source engine (MIT); hosted service is paid
Key features
  • 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
  • Cites open-source code at specific commits with exact line numbers
  • Prior-art briefs showing how projects solved the same problem
  • Automated license classification and verdicts
  • Semantic search using embedding model and BM25
  • Works with Claude Code, Codex, Cursor and other MCP clients
  • Runs locally on your machine under MIT license
  • Receipt with repo, commit, lines and license class
What makes it different
  • 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
  • Only tool that automatically cites exact lines and commits from real open-source projects
  • Eliminates hallucinated code by searching real open-source implementations
  • Handles license compliance automatically in every report
  • Runs entirely on your machine with no telemetry or analytics
  • Open-source engine with MIT license; paid hosted service option
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)6 no change since last check4 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)158
Referring domains (Majestic)31

4 details filled in for both companies.

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