What a chat link actually is
A chat link is a pointer. It points to a conversation that lives on the AI company's servers, tied to your account. When you open the link, the platform looks up the conversation by ID and renders it for whoever has the URL.
The link itself contains no conversation content. It's a reference, not a record.
That distinction matters enormously for how reliable the link is.
The 4 ways chat links break
1. Your account becomes inactive
Chat links are tied to your account. If your subscription lapses, your account gets deleted, or you lose access for any reason, the link goes dead. Anyone who tries to open it gets an error. The conversation isn't accessible from the link anymore — and if you didn't save it elsewhere, it may not be accessible at all.
2. You delete the conversation
If you delete a conversation from your history — either intentionally or as part of a cleanup — any links that pointed to that conversation stop working immediately. There's no warning, no grace period. The link returns an error the moment the conversation is gone.
3. The platform changes its sharing policy
Both Claude and ChatGPT have changed how conversation sharing works at various points. Links generated under one set of rules don't always remain valid when the platform updates its sharing model. A link that works today may not work six months from now.
4. The recipient can't access it
Some chat links require the recipient to be logged in. Some work only in certain regions. Some only show the conversation as it existed at the time you generated the link — if you continued the conversation after sharing, the additional messages may or may not appear for the person you shared with.
A chat link is not a backup. It's a temporary window into someone else's server. The window can close at any time.
The scenario that catches people out
The most common version of this: you do valuable research or build something useful in a Claude or ChatGPT conversation. You copy the share link and paste it into a Notion doc or a Slack message, intending to come back to it. Weeks or months later, you click the link. It's broken. The conversation isn't gone from your account — but the link you saved as your reference is dead, and you have to go find the conversation manually from your chat history, if you can find it at all.
The less common but more painful version: the conversation actually is gone. The account lapsed. You cleaned up your history. The trial period ended. Whatever the reason, the conversation that the link pointed to no longer exists, and the link is all you saved.
When chat links are fine to use
Chat links are fine for real-time sharing — sending someone a conversation in the moment so they can read it right now. They're not for archiving, not for future reference, and not for any use case where you need the content to be accessible in a week.
If you're pasting a chat link into a document and planning to use it later, stop. That link will likely be broken when you need it.
What to use instead
Save a copy of the conversation you control. Text file, Markdown file, Google Doc — anything that exists in storage you own, independent of the AI platform's servers.
The practical options:
- Copy and paste into a Google Doc. Slow, formatting is lossy, but it works and produces something you own.
- Use ChatSpry. One click saves the full conversation to Google Drive as a properly formatted Markdown file, filed automatically under the right project. The saved file is yours — it doesn't depend on your Claude or ChatGPT account staying active, it doesn't break when you delete a conversation, and it doesn't require the AI platform to cooperate to remain readable.
The difference is ownership. A chat link gives you access to something someone else owns. A saved file gives you the thing itself.
The rule
Use chat links to share. Use saved files to store. Never use a chat link as your only record of something you'd be upset to lose.
It's a small habit change — save before you close the tab — that eliminates the entire category of "I thought I had that saved" problems.