📖 The AI Tool Bible

Gemini Advanced vs WriteMage

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 
Gemini Advanced
Writing
WriteMage
Writing
TaglineGoogle's flagship — strong at math, long context, and Workspace integration.Native macOS and iOS overlay that drops ChatGPT into any app, Spotlight-style.
CategoryWritingWriting
PricingPaid· $20/mo via Google One AI PremiumFreemium· Beta free; Lifetime $58.99; Basic $10/mo; Personal $11.87/mo (managed API)
ModelGemini 2.5 ProOpenAI ChatGPT (BYO key or managed)
Editorial score9.0 / 10
Use cases
Workspace integrationmathlong contextresearch
writing-assistantmacos-overlayinline-chatgptprompt-libraryios-text-assist
Pros
  • Excellent Google Workspace integration
  • Very long context window
  • Strong on STEM tasks
  • Cheapest frontier bundle
  • Native macOS/iOS overlay works inside any app, no copy-paste
  • One-time lifetime license option is rare for AI tooling
  • Local chat history with labels and a GUI prompt editor
  • Bring-your-own OpenAI API key keeps token costs transparent
Cons
  • UX still less polished than ChatGPT/Claude
  • Refusals can be inconsistent
  • Limited fine-tuning controls
  • Apple-only; no Windows, Linux, or web client
  • Locked to OpenAI models, no Claude/Gemini/local backends
  • Still in beta at time of review
  • Multi-device cap (2-4) on subscription tiers
Websitegemini.google.comwritemage.com
Pick Gemini Advanced if
  • Excellent Google Workspace integration
  • Very long context window
  • Strong on STEM tasks
  • Cheapest frontier bundle
Pick WriteMage if
  • Native macOS/iOS overlay works inside any app, no copy-paste
  • One-time lifetime license option is rare for AI tooling
  • Local chat history with labels and a GUI prompt editor
  • Bring-your-own OpenAI API key keeps token costs transparent