📖 The AI Tool Bible

Gemini Advanced vs Lex

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

 
Gemini Advanced
Writing
Lex
Writing
TaglineGoogle's flagship — strong at math, long context, and Workspace integration.Google Docs-style writing app with an LLM sidekick wired into every sentence.
CategoryWritingWriting
PricingPaid· $20/mo via Google One AI PremiumFreemium· Free tier; Lex Pro paid (price not public); Teams add-on
ModelGemini 2.5 ProMulti-model (GPT-4.1, Claude)
Editorial score9.0 / 10—
Use cases
Workspace integrationmathlong contextresearch
long-form draftingeditorial feedbackcollaborative writingbrainstormingai rewriting
Pros
  • Excellent Google Workspace integration
  • Very long context window
  • Strong on STEM tasks
  • Cheapest frontier bundle
  • Familiar Google Docs-style editor with AI woven in, not bolted on
  • Multi-model access (GPT-4.1, Claude) on the Pro plan
  • Real-time collaboration, comments, versioning, and publish links
  • Adopted by serious newsrooms and universities, not just hobbyists
Cons
  • UX still less polished than ChatGPT/Claude
  • Refusals can be inconsistent
  • Limited fine-tuning controls
  • Pricing is not transparently published on the site
  • No public API or self-hosted option
  • Track Changes still listed as 'coming soon'
  • Thin disclosure about which model handles which task
Websitegemini.google.comlex.page
Pick Gemini Advanced if
  • ✅ Excellent Google Workspace integration
  • ✅ Very long context window
  • ✅ Strong on STEM tasks
  • ✅ Cheapest frontier bundle
Pick Lex if
  • ✅ Familiar Google Docs-style editor with AI woven in, not bolted on
  • ✅ Multi-model access (GPT-4.1, Claude) on the Pro plan
  • ✅ Real-time collaboration, comments, versioning, and publish links
  • ✅ Adopted by serious newsrooms and universities, not just hobbyists
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