Average Bypass Rate
StealthGPT99%
Grammarly~0%Grammarly AI edits systematically trigger detectors
Detectors Beaten
StealthGPTTurnItIn, GPTZero, Originality.ai, Copyleaks, Winston AI, and more
GrammarlyConsistently flags as 100% AI on TurnItIn and Originality.ai sweeps
End-to-End Creation
StealthGPTYesStealth Agent researches, writes, and bypasses instantly
GrammarlyNoGrammar assistant with restricted prompt-based extensions
Readability & Flow
StealthGPTExcellentMaintains natural, human phrasing and context
GrammarlySterileForces overly uniform sentence lengths and rigid structures
Processing Speed
StealthGPTBlazing FastSub-second, instant generation
GrammarlyFast inline editsBut requires endless manual clicking for rewrites
Academic & Niche Tools
StealthGPTStealth Essay, Photo-to-Answers, Stealth Tutor, Stealth Writer
GrammarlyAuthorship tracking and basic style cards only
Platform Ecosystem
StealthGPTWeb App, Chrome Extension, iOS App, Developer API
GrammarlyDesktop apps, browser extensions, mobile keyboards
Pricing Structure
StealthGPTPredictable tiers with high-allowance request limits
GrammarlyExpensive premium plans that do not protect against AI detection