Developer-provided instructions that the model should follow, regardless of messages sent by the user. With o1 models and newer, developer messages replace the previous system messages.
developer
system
The contents of the developer 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 developer.
Developer-provided instructions that the model should follow, regardless of messages sent by the user. With o1 models and newer,
developer
messages replace the previoussystem
messages.