The ChatGPT memory feature explained simply: memory allows ChatGPT to remember information about you across separate conversations, so you do not need to repeat your context every time you start a new chat. Since the ChatGPT memory feature launched, it has evolved significantly — in April 2025, OpenAI expanded it to reference your full chat history rather than just explicitly saved facts, making it significantly more comprehensive. In 2026, the ChatGPT memory feature works in two distinct ways that serve different purposes, and understanding both is essential to using it well.
The Two Types of ChatGPT Memory
ChatGPT memory in 2026 operates through two separate systems that can be independently managed:
- Saved memories: Specific facts that ChatGPT stores about you — either because you explicitly told it to remember something (“Remember I prefer bullet point summaries”) or because it detected something worth storing. These appear in every future conversation and always take priority in ChatGPT’s context window. You can view, edit, and delete individual saved memories in Settings → Personalisation → Manage Memories.
- Chat history reference: Since April 2025, ChatGPT can also reference your past conversations as context — not just explicit saved facts, but insights from what you have discussed in previous chats. This is more like a dynamic summary of your history rather than a structured fact list. It can be turned off separately from saved memories in the same settings.
How to Manage ChatGPT Memory Settings
- 1Open SettingsClick your profile icon in the top right of ChatGPT → Settings → Personalisation → Memory. Here you see two separate toggles: Saved Memories and Chat History Reference.
- 2View what ChatGPT knows about youClick “Manage Memories” to see every saved memory. You can delete individual ones, clear all, or hover over “Memory updated” notifications in chat to manage what was just stored.
- 3Ask ChatGPT directlyType “What do you remember about me?” in any chat. ChatGPT will list its current saved memories about you, which is often faster than navigating the settings menu.
- 4Use Temporary Chat to disable memory for a sessionStart a Temporary Chat (accessible from the sidebar) for conversations where you do not want ChatGPT to store or reference information. Temporary chats are deleted within 30 days automatically.
What to Tell ChatGPT to Remember
The most valuable memories to store are the ones you would otherwise type in every single conversation. These are your high-return memory investments:
- Your role and context: “Remember: I am a senior marketing manager at a B2B SaaS company targeting enterprise HR managers in the UK.” Shapes every prompt response without repeating it.
- Writing style preferences: “Remember: I prefer British English, concise paragraphs, no bullet points in formal writing, and an authoritative but approachable tone.”
- Technical environment: “Remember: I code in Python 3.11, use FastAPI for APIs, PostgreSQL for databases, and deploy on AWS.” Eliminates repeating this on every coding question.
- Output format preferences: “Remember: Always give me a brief direct answer first, then supporting detail. Never start your response with ‘Great question!'”
- Recurring projects: “Remember: I am working on a content marketing strategy for Q3 2026 targeting UK SMEs in the construction sector with a £8,000 monthly budget.”
⚠️ Review your memories regularly — ChatGPT can store outdated or wrong informationChatGPT sometimes stores inaccurate memories, outdated facts, or misinterpretations of what you said. A memory stored in January that says “you live in Manchester” may still be influencing responses in June even after you moved. Check Settings → Personalisation → Manage Memories every few months and delete anything that is no longer accurate. An incorrect memory influences every future response until deleted.
💡 The fastest way to teach ChatGPT your preferencesIn a new conversation, type: “I want to set up some memories. Remember: [list your key context, role, preferences, and technical environment in plain sentences]. Confirm what you have stored.” ChatGPT will save each item and confirm. This single conversation can eliminate context-setting from dozens of future sessions.
Frequently Asked Questions
How does ChatGPT memory work in 2026?
ChatGPT memory works in two ways: saved memories (specific facts stored explicitly, shown in every future conversation) and chat history reference (insights from past conversations used contextually). Saved memories are always active unless deleted. Chat history reference can be turned off separately. Both are managed in Settings → Personalisation → Memory. Automatic memory management for Plus and Pro users keeps the most relevant memories prioritised when memory gets full.
Can I turn off ChatGPT memory?
Yes — both memory types can be disabled independently in Settings → Personalisation → Memory. Turn off Saved Memory to stop ChatGPT from storing new facts or using existing ones. Turn off Chat History Reference to stop ChatGPT from using past conversation context. Use Temporary Chat for individual sessions where you want a completely fresh start without affecting your global memory settings.
Does ChatGPT memory affect privacy?
Yes — saved memories and chat history reference are stored on OpenAI’s servers and may be used for model training on Free and Plus plans unless you opt out in Settings → Data Controls. Memories can also be reviewed by authorized OpenAI staff for safety and quality purposes. For conversations involving sensitive personal, medical, or professional information, use Temporary Chat (no memory) and consider whether the information should be typed into an AI platform at all. ChatGPT Team and Enterprise plans exclude memories from training by default.
Unlock everything in Perplexity Hub—click here to explore the full collection.
