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📖 The AI Tool Bible

GradGPT vs Lex

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

 GradGPT logo
GradGPT
Writing
Lex logo
Lex
Writing
TaglineAI essay coach that scores and red-flags college application drafts against admissions rubrics.Google Docs-style writing app with an LLM sidekick wired into every sentence.
CategoryWritingWriting
PricingFreemium· Free plan: $0 · GradGPT Plus yearly: $12/month · GradGPT Plus monthly: $36/monthFreemium· Free tier; Lex Pro paid (price not public); Teams add-on
ModelMulti-model (GPT-4.1, Claude)
Editorial score6.8 / 106.8 / 10
Use cases
college-essay-feedbackadmissions-prepcommon-app-essaysap-test-practicecollege-matching
long-form draftingeditorial feedbackcollaborative writingbrainstormingai rewriting
Pros
  • Cheaper than a human admissions consultant for the same iteration loop
  • Rubric-based scoring grounded in real admit benchmarks
  • Free access path for low-income and Title I students
  • Covers the full app: essays, activities, AP prep, college match
  • 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
  • Underlying model and methodology aren't disclosed
  • US admissions focus; thin value for international applicants
  • No API or programmatic access for schools or counselors
  • Risk of homogenized 'AI-flavored' essays if students over-rely
  • 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
Websitegradgpt.comlex.page
Pick GradGPT if
  • Cheaper than a human admissions consultant for the same iteration loop
  • Rubric-based scoring grounded in real admit benchmarks
  • Free access path for low-income and Title I students
  • Covers the full app: essays, activities, AP prep, college match
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