previous_response_id
An API parameter used to reference a previous response ID in order to maintain conversation history. The server automatically resends the entire history, which affects token consumption.
Timeline (last 90 days)
previous_response_id is a mechanism of the OpenAI Responses API: each call returns a unique response ID, and the next request can reference the previous response via that ID, with the server automatically incorporating the historical context.
The previous_response_id mechanism relies on OpenAI server-side storage, the context retention period is constrained by platform policy, and it cannot be migrated across providers.
All Facts (2)
previous_response_id is a mechanism of the OpenAI Responses API: each call returns a unique response ID, and the next request can reference the previous response via that ID, with the server automatically incorporating the historical context.
50%UnverifiedThe previous_response_id mechanism relies on OpenAI server-side storage, the context retention period is constrained by platform policy, and it cannot be migrated across providers.
50%