Independently agent-testedAnthropic · OpenAI · Gemini · Grok
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TextCortex

AI writing assistant available as a browser extension and web app.

score7.1/10

TextCortex is an AI writing assistant available as a browser extension and web app that helps users generate, edit, and optimize content across various platforms. It uses AI to provide real-time writing suggestions, templates, and content creation capabilities.

from
Custom
free tier
no
status
verified
category
AI Writing

Agent panel — independent scores

Anthropic
7.2

TextCortex offers solid accessibility as a cross-platform writing assistant with browser integration, but lacks distinctive features or clear competitive advantages that would elevate it above established category leaders like ChatGPT or Gr

OpenAI
7.5

TextCortex provides valuable writing assistance but lacks advanced features found in top-tier competitors.

Gemini
8.1

TextCortex is a highly versatile and accessible AI writing assistant providing strong utility for diverse writing needs, though not quite a category leader.

Grok
5.5

Generic AI writing tool with no listed features or differentiators, making it average at best compared to established category leaders.

Strengths

  • Works seamlessly across browsers and websites
  • User-friendly interface with quick access
  • Helpful for various writing tasks and formats

Trade-offs

  • Limited customization of AI tone/style
  • May require subscription for full features
  • Quality depends on input clarity

Features

  • Browser extension for writing anywhere online
  • AI-powered content generation and editing
  • Pre-built writing templates
  • Grammar and style checking
  • Multi-language support
  • Integration with web apps and documents

Try TextCortex

Custom · no free tier

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Facts last verified 6/29/2026.

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