This is the website of Gwern Branwen. I write about AI, psychology, & statistics. I am best known for my writings about DL scaling, poetry & anime neural networks, darknet markets & Bitcoin, blinded self-experiments, and dual n-back & spaced repetition.

For information about my site’s philosophy & method, see the About page; for the website features & implementation, see the Design page; for information about myself, my use of other websites, and contact information, see the about-me page; for information about new pages, see the Changelog ( = new), or new links. For an annotated version of this site index page, see the long index.

To use dark-mode () or reader-mode (), or disable popups (), or search the site (), use the floating toggle bar in the lower-rightupper-right corner (); for more, see the help page.