AI constitution – Definition & Meaning

Definition of AI constitution

: a written document that sets out the values, priorities, and principles an AI model is trained to follow, and explains how it should reason through difficult requests
- The company published its AI constitution so users can see what the model is meant to value.
- Religious leaders were asked for feedback on parts of the AI constitution about grief and vulnerable users.

Origin & history

first known use2023

Anthropic published the principles behind its Claude models in 2023 and has revised them since; other labs publish similar documents, sometimes called a 'model spec'.

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Related terms

constitutional AI a training approach in which a model is guided by a written set of principles (a… character training training that shapes an AI model's stable personality and values, such as curiosity, honesty… alignment the work of making an AI system's goals and behavior match what its designers and users… system prompt hidden instructions given to a model before the conversation starts, which set its role, tone… model card a document published alongside a model describing what it is for, how it was trained and…

Cite this entry

"AI constitution." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/ai-constitution/. Accessed 4 Oct. 2026.