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OiPer vs LeanWarp

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 LeanWarp
DetailOiPer logo OiPerLeanWarp logo LeanWarp
What it doesType at speech speed with private voice dictation Hosted Lean 4 API for proof agents
StageNot given MVP
FoundedNot given Not given
Based inBD Not given
Pricing modelNot given Paid
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. Starting at $0.000278 per second of worker time (including idle time, increasing with CPU and RAM usage). $10 minimum credit purchase. $10 free credit for new accounts with verified email while launch offer lasts.
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
Not given
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
  • Mathlib preloaded in pinned environments
  • Multiple API interfaces (CLI, MCP, Python, HTTP)
  • Kernel-verified proofs with no axioms allowed
  • Draft checking for iterative development
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 checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)150
Referring domains (Majestic)30

3 details filled in for both companies.

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