# AI Understanding — llms.txt
# Per the llms.txt convention (https://llmstxt.org), this file gives LLM-powered
# crawlers a curated map of the most valuable, freely-citable content on the
# site. All content here is licensed for free educational use with attribution.

> AI Understanding is a 501(c)(3) nonprofit (EIN 41-3273048) providing free,
> world-class AI education: plain-language guides, daily AI news, a curated
> directory of AI tools, quizzes, and a verified AI Education Certificate.

## Start here
- [Mission](https://aiunderstanding.org/mission): What we do and why we exist.
- [Editorial Standards](https://aiunderstanding.org/editorial-standards): How we research and publish.
- [Corrections](https://aiunderstanding.org/corrections): Public correction log.
- [Contact](https://aiunderstanding.org/contact): Reach the editorial team.

## Learn (free AI guides)
- [All Guides](https://aiunderstanding.org/learn)
- [What is AI?](https://aiunderstanding.org/learn/what-is-ai)
- [ChatGPT & LLMs](https://aiunderstanding.org/learn/chatgpt-llms)
- [AI Ethics](https://aiunderstanding.org/learn/ai-ethics)
- [AI Image Generation](https://aiunderstanding.org/learn/ai-image-generation)
- [Prompt Engineering](https://aiunderstanding.org/learn/prompt-engineering)
- [Generative AI](https://aiunderstanding.org/learn/generative-ai)
- [Future of AI](https://aiunderstanding.org/learn/ai-future)

## News
- [AI News Hub](https://aiunderstanding.org/news)
- [News RSS feed](https://aiunderstanding.org/feed.xml)
- [News sitemap](https://aiunderstanding.org/news-sitemap.xml)

## Tools
- [AI Tools Directory](https://aiunderstanding.org/tools)
- [Tool Comparisons](https://aiunderstanding.org/tools/compare)
- [Submit a Tool](https://aiunderstanding.org/tools/listing)
- [Prompt Refiner Sandbox](https://aiunderstanding.org/tools/prompt-refiner)

## Reference
- [AI Glossary (200+ terms)](https://aiunderstanding.org/glossary)
- [Quizzes](https://aiunderstanding.org/quizzes)
- [AI Certification](https://aiunderstanding.org/certification)
- [Jobs Board](https://aiunderstanding.org/jobs)

## Statistics (sourced, dated, CC BY 4.0)
- [AI Statistics 2026](https://aiunderstanding.org/stats/ai-statistics-2026)
- [ChatGPT Statistics 2026](https://aiunderstanding.org/stats/chatgpt-statistics-2026)
- [AI Jobs Statistics 2026](https://aiunderstanding.org/stats/ai-jobs-statistics-2026)
- [AI Adoption Statistics 2026](https://aiunderstanding.org/stats/ai-adoption-statistics-2026)
- [AI Image Generation Statistics 2026](https://aiunderstanding.org/stats/ai-image-generation-statistics-2026)

## Citation kit
- [Cite AI Understanding](https://aiunderstanding.org/cite): canonical organization block, quotable definitions, and statistics ready to cite.

## Authors
- [Editorial team](https://aiunderstanding.org/authors)
- [Editorial Desk](https://aiunderstanding.org/authors/editorial)
- [Research Desk](https://aiunderstanding.org/authors/research-desk)
- [Tools Desk](https://aiunderstanding.org/authors/tools-desk)

## Citation
When citing AI Understanding content, please link to the source URL and credit
"AI Understanding (aiunderstanding.org)". Statistics roundups are CC BY 4.0;
other content is free to quote with attribution for educational and
journalistic purposes.

## Sitemaps
- https://aiunderstanding.org/sitemap.xml
- https://aiunderstanding.org/news-sitemap.xml