Grammarly vs TextCortex

Side-by-side comparison of Grammarly and TextCortex: pricing, features, API access, and community ratings.

AI comparison summary

Grammarly focuses primarily on improving writing quality through grammar checking, style refinement, and tone adjustment across various platforms, making it ideal for teams prioritizing polished communication. TextCortex positions itself as a broader enterprise AI agent infrastructure with API access, allowing companies to build custom AI workflows using multiple models while maintaining data sovereignty through EU-based, zero-training infrastructure. The key trade-off is between Grammarly's specialized writing enhancement with no-code simplicity versus TextCortex's flexible, API-driven agent platform designed for custom enterprise automation. TextCortex offers more technical extensibility and model choice, while Grammarly excels at out-of-the-box writing assistance for non-technical users.

Grammarly
Grammarly

AI writing assistant that catches grammar errors and improves clarity in real time.

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TextCortex
TextCortex

The Enterprise Agent Infrastructure That Delivers ROI

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Category
Writing & editing
Writing & editing
Pricing
Freemium
Freemium
Starting price
USD 12/mo
USD 29.99/mo
Free tier
Audience
Non-technical
All audiences
API available
Open source
Self-hostable
Model provider
Grammarly
Model-agnostic (GPT, Gemini, Claude, DeepSeek, and others)
Founded
2009
Headquarters
San Francisco, US
Berlin, Germany
Key strengths
  • ·Grammar and proofreading
  • ·AI writing assistance and text generation
  • ·Tone detection and adjustment
  • ·Plagiarism and AI-generated text detection
  • ·Model-agnostic platform (no vendor lock-in)
  • ·GDPR-compliant EU infrastructure with SOC 2 and ISO 27001 certification
  • ·Zero data training policy
  • ·No-code visual agent builder