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Yes you would still need GPT3 in this system. Right now, the incredibly simple system just wires gives GPT3 a window of the last 100 messages and has it output the next message to send.

    The following is an excerpt SMS conversation between two friends:

    Transcript:
    <splice in the last 100 messages here>

Then you can have GPT3 output what it believes the most likely next message is, and you send it. But this system means it loses context if a message is outside the window. So you can augment this system by creating an embedding of the last few messages of the conversation, and creating a prompt like:

    The following is an excerpt SMS conversation between two friends, and relevant past memories that are related to the current conversation:

    Relevant past memories:
    <splice in the N past messages with the most similar embedding to the most recent messages>

    Transcript:
    <splice in the last 100 messages>

So this gets you a kind of short term memory (the last 100 messages) and a long term memory (the embeddings).