> For the complete documentation index, see [llms.txt](https://yuriai.gitbook.io/yuriai-guidebook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yuriai.gitbook.io/yuriai-guidebook/background.md).

# BACKGROUND

- [ChatGPT](https://yuriai.gitbook.io/yuriai-guidebook/background/chatgpt.md)
- [Compared to its predecessor models, ChatGPT also has the following features:](https://yuriai.gitbook.io/yuriai-guidebook/background/compared-to-its-predecessor-models-chatgpt-also-has-the-following-features.md)
- [Arbitrum](https://yuriai.gitbook.io/yuriai-guidebook/background/arbitrum.md)
- [AIGC](https://yuriai.gitbook.io/yuriai-guidebook/background/aigc.md)
- [YURI AI Protocol](https://yuriai.gitbook.io/yuriai-guidebook/background/yuri-ai-protocol.md)