Developer-provided instructions that the model should follow, regardless of messages sent by the user. With o1 models and newer, use developer messages for this purpose instead.
developer
The contents of the system message.
Optional
An optional name for the participant. Provides the model information to differentiate between participants of the same role.
The role of the messages author, in this case system.
system
Developer-provided instructions that the model should follow, regardless of messages sent by the user. With o1 models and newer, use
developermessages for this purpose instead.