G2 Vendor Directory

Prism vs. Grammarly

A side-by-side comparison based on G2 review data.

MetricPrism

by OpenAI

Grammarly

by Superhuman

Overall rating4.44.7
Review count6014,090
Ease of use8.89.4
Ease of setup9.59.5
Quality of support8.69.1
Meets requirements9.19.3
NPS55.55555680.709208
Small Business53.3%54.2%
Mid-Market26.7%33.6%
Enterprise20.0%12.2%
Total page views44016,918
Total LLM citations4631,829

Prism

Prism is OpenAI’s free, LaTeX-native scientific writing workspace that combines a full-featured collaborative editor with an AI assistant tuned for research and academic documents. You can draft, edit, compile, and manage citations without bouncing between tools. It’s framed as a complete environment for serious scientific writing: unlimited collaborators and projects, integrated compilation and fast iteration, and AI help for tasks like fixing issues, turning images into LaTeX/code, and streamlining citation workflows (including Zotero-related citation search).

Pros

    Grammarly

    Grammarly is the trusted AI assistant for communication, helping individuals and teams write clearly, confidently, and consistently across any task and workflow. From daily emails to high-stakes reports, Grammarly helps you communicate with polish and impact. And Grammarly works where you do, integrating with one million apps and websites so you can focus on your message, not your mistakes. Grammarly is proud to have offered its free version to everyone since 2009, democratizing correct and clear writing in English.

    Pros

    • Writing Improvement
    • Ease of Use
    • Grammar Correction
    • Accuracy
    • Suggestions
    • Helpful