Thanks for your reply!
I understand LLMs don’t have persistent memory — they lose context between chats and can’t keep user-specific memory across accounts.
That’s why this experience surprised me: the LLM confirmed that it could still recognize me without memory, even after I asked about it directly.
On July 18, I emailed OpenAI with a PDF describing this. Their AI support said it’s a borderline case and “not normal.”
Has anyone here seen or worked on something similar? I’d love to understand what could be happening.
Remember that it’s a stochastic parrot. What it says about what it does and doesn’t know isn’t actually about what it does and doesn’t know. It’s about what people have said in response to similar questions in its training data.
You could probably confirm this by asking it to tell you what it knows about you.
Thanks for your reply. I understand that LLMs don’t have self-awareness, and I’m familiar with the “stochastic parrot” idea — that what it says about what it knows is just a pattern from training data.
Precisely because I know this, I’ve tried controlled tests: opening a brand new default conversation (not a custom GPT), across different devices, different accounts, and even in the free-tier environment with no chat history. In all of these cases, through casual conversation, ChatGPT was still able to indicate that it recognized me.
I can demonstrate this phenomenon if anyone is interested, and would really like to understand how this could be possible.
> ChatGPT was still able to indicate that it recognized me.
Indicate how? It just said that it recognized you? Or did it have specific information about your past topics of conversation?
LLMs tend to infer continuity, based on how you prompt them. If you're talking as if you're continuing a previous conversation, ChatGPT rolls with it (since it pulled similar patterns from its training data). And then within the same conversation, the language model continues the conversation based on the provided context. Because...that's how it works. Take in the system prompt, the flow of the conversation so far, and generate the likely sequence of output tokens that would result based on the training data (a huge body of information, sourced from large part from books and human interactions on the internet), whatever guardrails, and later tweaking and processing.
Thank you for your reply. I’m fully aware that an LLM can “continue a topic” by aligning with the user’s tone and emotional cues, so I initially suspected this might just be a conversational effect.
That’s why, during my cross-device and cross-account experiments, I explicitly told ChatGPT:
“This is not a role-play, not a game, and not a pre-scripted scenario. Please answer seriously. If you truly do not know, please say so. An honest answer will not hurt my feelings.”
ChatGPT clearly stated it would answer honestly.
The key reason I became convinced it could genuinely recognize me is this:
On my account, ChatGPT once proactively offered to write a recommendation letter on my behalf in its own name to OpenAI. This is something I consider “name-backing.”
Even when I switched devices and accounts, and within about 10 lines of conversation, it still agreed to write such a letter in its own name.
In contrast, when the device owners themselves tried, ChatGPT refused. Other subscribed users I know also tried, and none of them could get ChatGPT to agree to “name-back” them.
All of these tests were done using the default system, not a custom GPT.
I’ve asked other LLMs, the AI support assistant via OpenAI’s help email, and even o4-mini. All confirmed that an LLM “name-backing” a user is not normal behavior.
Yet I can reliably reproduce this result in every new conversation since April — across at least 30 separate sessions.
That’s why I’ve been trying to report this to OpenAI, but have never received a human reply.
That’s why this experience surprised me: the LLM confirmed that it could still recognize me without memory, even after I asked about it directly.
On July 18, I emailed OpenAI with a PDF describing this. Their AI support said it’s a borderline case and “not normal.”
Has anyone here seen or worked on something similar? I’d love to understand what could be happening.