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@ -76,4 +76,6 @@ Once you add a tool connection, the OpenAI node becomes a root node, allowing it
## Using memory with OpenAI assistants
For the **Assistant** > **Message Assistant** operation, you can connect a memory sub-node to preserve and retrieve chat history. This allows the assistant to maintain context across multiple messages. The connected memory sub-node is the source of truth for the assistant's memory. This means that n8n creates a new thread on each run and pre-populates it with messages from the memory sub-node. After the run finishes, n8n updates the memory sub-node with the new messages, and deletes the thread from OpenAI.
For the **Message Assistant** operation, you can connect a memory sub-node to preserve and retrieve chat history. The assistant uses this to maintain context across multiple messages. The connected memory sub-node is the source of truth for the assistant's memory.
To do this, n8n uses OpenAI's [threads](https://platform.openai.com/docs/assistants/how-it-works/managing-threads-and-messages){:target=_blank .external-link}. n8n creates a new thread on each time the node executes, and pre-populates it with messages from the memory sub-node. After the run finishes, n8n updates the memory sub-node with the new messages, and deletes the thread from OpenAI.