When people talk about memory in AI products, the conversation often becomes binary: either the assistant remembers everything, or it remembers nothing. Sofia V4.5 takes a narrower and more legible route.
Sofia is a proprietary live platform for personal conversations with an AI. Confirmed conversation contributions can be preserved on an account-bound basis, so a suitable earlier conversation can be resumed. The important part is the boundary: this is not a promise of perfect recall, and it is not an open-source project. It is a product decision that makes continuity visible without pretending that every past detail is always available.
That distinction changes the interaction design. A returning user can pick up a meaningful thread instead of starting from a blank page, while the product can still communicate what is actually being carried forward. For conversational systems, that kind of clarity is more useful than vague claims about “human-like memory.”
Sofia V4.5 is live in the browser. If you want to try the experience, open https://fragsofia.de/chat and start a conversation.
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