Data as of Aug 16, 2026 · Based on 3,131,739 AI responses across 10,525 prompts · See how Parse measures this
OpenStaxopenstax.orgWords AI uses
AI reaches for free · peer-reviewed · comprehensive when it describes OpenStax.
Sources
openstax.org shapes more of what AI says about OpenStax than any other source, at 37% of its citations.
reddit.com · psychology.org · clep.collegeboard.org · assets.openstax.org
The market map
Education Platforms, Tutoring & Exam Prep →Excerpts where OpenStax appeared in the AI's answer
OpenStax Psychology – Provides a completely free, peer-reviewed comprehensive introductory textbook
OpenStax : Offers completely free, peer-reviewed introductory psychology textbooks that align with standard college curricula.
Excerpts where OpenStax appeared in the AI's answer
OpenStax is a free college textbook that's great if you want more detailed explanations and worked examples.
OpenStax Principles of Microeconomics (Free textbook) If you're confused about a chapter, OpenStax explains the theory clearly
