A codex is a book bound in the modern manner, by joining pages, as opposed to a rolled scroll.

Codex may also refer to:

Arts and entertainment

• Codex (Warhammer 40,000), a rules supplement to the tabletop wargame

• The Codex (Sun & Storm), a 1993 supplement for the role-playing game Sun & Storm

• Codex (novel), by Lev Grossman (2005)

• The Codex (novel), by Douglas Preston (2004)

• "Codex", song by Pere Ubu from Dub Housing

• "Codex", song by Radiohead from The King of Limbs

• Codex (TV series), a UK quiz show

• Codex, a fictional character from the web series The Guild

• Codex: card-time strategy, a card game by David Sirlin (2016)

Organizations

• Stanford CodeX Center, a research center at Stanford University focused on artificial intelligence and law

• Codex Corporation, a Massachusetts tech company later known as Vanguard Managed Solutions

• Codex Digital, a company that creates digital production workflow tools

• Codex, a warez group

Science and technology

• WordPress Codex, a repository and manual for WordPress documentation

• OpenAI Codex (language model), a code generation large language model series

• OpenAI Codex (AI agent), a software engineering AI agent

• Coronal Diagnostic Experiment, delivered to the ISS by CRS mission SpaceX CRS-31 2024

Other uses

• Codex (horse) (1977–1984), American racehorse, Preakness Stakes winner

==See also==

• List of codices

• 1983 Code of Canon Law (Codex Iuris Canonici), ecclesiastical laws for the Latin Church

• Codex Alimentarius, a collection of internationally recognized standards relating to food

• Codec (disambiguation)

• Code (law), body of law written and enforced by a sovereign state