TextCortex
AI WritingAI writing assistant with custom personas and brand voice
Overview
TextCortex positions itself as an AI writing platform built around customization and brand consistency. Founded in 2021 as a remote-first company, it differentiates from competitors like Jasper and Copy.ai through its focus on custom AI personas and knowledge base integration. The platform allows users to train AI models on proprietary content, creating writing assistants that understand specific industries, brand voices, and internal knowledge.
The platform targets teams and businesses that need consistent brand voice across multiple content creators. Unlike generic AI writers that produce one-size-fits-all content, TextCortex learns from uploaded documents, websites, and style guides to create personalized AI models. This approach appeals to companies struggling with brand consistency as they scale content production.
TextCortex competes in the crowded AI writing space dominated by Jasper, Copy.ai, and Writesonic. Its unique value proposition lies in the persona system and knowledge integration, though it lacks some of the specialized SEO features found in tools like Surfer AI or Content at Scale.
Key features
Custom AI Personas
Train AI models on your brand voice and style guidelines to maintain consistency across all content. Creates personas that understand industry terminology and tone.
Knowledge Base Integration
Upload documents, websites, and data sources to create AI models trained on your specific expertise. Enables fact-based content generation from proprietary information.
Browser Extension
Write and optimize content directly in any web application including WordPress, Google Docs, and social media platforms. Seamlessly integrates into existing workflows.
Multi-language Support
Generate content in 25+ languages with native-level fluency and cultural awareness. Maintains brand voice consistency across international markets.
Team Collaboration
Share custom personas and knowledge bases across team members. Ensures consistent brand voice and messaging across all content creators.
API Access
Integrate TextCortex capabilities into custom applications and workflows. Enables automated content generation at scale for enterprise use cases.
Pricing
| Plan | Price | Includes |
|---|---|---|
| Free | $0 | 10 creations daily, basic templates, 25+ languages |
| Lite | $5.59/month | 100 creations daily, browser extension, knowledge bases |
| Unlimited | $13.19/month | Unlimited creations, custom personas, API access |
| Business | $83.99/month | Team collaboration, brand voice training, priority support |
FAQ
How does TextCortex compare to Jasper for SEO content?
TextCortex focuses more on custom personas and knowledge base training, while Jasper offers more specialized SEO templates. TextCortex excels at maintaining brand consistency across content types.
Can TextCortex generate content that passes AI detection?
The platform includes humanization features and custom voice training that can help create more natural-sounding content. However, no AI writing tool guarantees undetectable output.
What makes TextCortex different from other AI writers?
The custom persona system and knowledge base integration set it apart. You can train AI models on your specific data and maintain consistent brand voice across all content.
Review Sentiment
285 reviews across 1 source
Bottom line
A free tool that actually delivers: TextCortex stands out for custom AI personas maintain brand voice across different content types. The trade-off is starting at $29.99/mo puts it in the mid-range, but at zero cost it's a must-have for content teams.
People love
- +Custom AI personas maintain brand voice across different content types and channels
- +Multilingual content generation supports international SEO strategies
- +Free tier with browser extension allows testing before committing to a paid plan
Common complaints
- –Starting at $29.99/mo puts it in the mid-range — more expensive than Rytr for basic needs
- –Long-form content quality inconsistent — works better for shorter copy formats
- –Smaller user community means fewer templates and prompt examples available
Last updated Feb 2026