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ExtraBrain vs LeanWarp

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

ExtraBrain compared with LeanWarp
DetailExtraBrain logo ExtraBrainLeanWarp logo LeanWarp
What it doesLocal-first AI interview and meeting copilot for Mac Hosted Lean 4 API for proof agents
StageStartup MVP
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Paid
PricingFree core app with local Gemma 4, local Parakeet transcription, and bring-your-own provider setup. Pro: $9.99/month, $99/year, or $179 Lifetime. Eligible monthly and yearly Pro subscriptions include 1,000 ExtraBrain AI credits per billing month. External AI and transcription provider usage billed se 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
  • Live transcription with local Parakeet or optional Deepgram
  • Screen-aware context and screenshots for structured answers
  • Hidden from screen sharing on Zoom, Google Meet, Teams, and coding platforms
  • Post-session summaries and organized context
  • Local-first data storage on your Mac
  • Support for multiple interview and meeting platforms
  • Desktop app that does not join calls as a bot
Not given
What makes it different
  • Fully local workflow possible with on-device Gemma and local Parakeet transcription
  • Free to start with optional Pro, unlike bundled subscription services
  • Built around bring-your-own provider access instead of locked-in vendors
  • Designed to stay invisible during screen sharing and recordings
  • 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)17 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)250
Referring domains (Majestic)490

5 details filled in for both companies.

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