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PromptSpend vs Brain Scanner

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 Brain Scanner
DetailPromptSpend logo PromptSpend Brain Scanner
What it doesLLM API cost calculator and comparison tool Review and pivot your AI coding agent in one place
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Free
PricingFree Free plan with 900 free credits for new users. Contact for more usage credits or Founders plan details.
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
  • Session reviews with agent summaries, decisions, checks, blockers and file diffs
  • Project graph showing files, symbols and subsystems in one connected view
  • Change review with recorded updates and before-and-after details
  • Session context keeping goal, work and outcome connected
  • File browser with mapped folders and file details
  • Queued tasks scoped by type and source
  • Implementation estimates with evidence range and confidence
  • MCP integration with Claude Code and Codex
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
  • Decision trail keeps context in one place instead of scattered in chat scrollback
  • Review agent changes and make notes without retyping recaps
  • Connected project graph shows how work fits together
  • Session recovery brings all context to the next session
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)7 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)1913
Referring domains (Majestic)4818

5 details filled in for both companies.

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