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ZeroTwo’s memory system learns from your conversations and uses that knowledge to personalize future interactions. You don’t need to tell ZeroTwo to remember something — it identifies and saves relevant facts on its own.

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How memory works

As you chat with ZeroTwo, it pays attention to details you share about yourself: your job, your projects, how you prefer to receive information, the tools you use. When those details are likely to be useful in future conversations, ZeroTwo saves them as memories. In future chats, ZeroTwo automatically includes relevant memories as background context. This means you don’t have to re-introduce yourself every conversation. Example: If you mention in one chat that you’re a TypeScript developer working on a SaaS product, ZeroTwo will keep that in mind. In a future chat, when you ask “how do I set up a rate limiter?”, ZeroTwo will default to TypeScript examples without you asking.

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Memory categories

Memories are organized into three categories:
CategoryWhat it containsExamples
PreferencesHow you like ZeroTwo to behave”Prefers concise bullet-point responses”, “Likes to see code with inline comments”, “Prefers metric units”
ProfileFacts about who you are”Software engineer”, “Based in San Francisco”, “Uses Python and TypeScript”, “Works in fintech”
GeneralContext about your life and work”Building a startup called Pulse”, “Currently learning Spanish”, “Has a dog named Max”, “Working on Q4 budget planning”

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How memories are formed

ZeroTwo infers memories from the natural flow of conversation. You don’t need to say “remember this” or use a special command. When you share relevant information — even casually — ZeroTwo may save it. Implicit memory formation:
  • You say: “I always use dark mode, can you help me style this component?” → ZeroTwo may save: “Prefers dark mode interfaces”
  • You say: “I’m the CTO at a 12-person startup in Berlin” → ZeroTwo may save: “CTO at an early-stage startup, based in Berlin”
  • You say: “I hate verbose explanations” → ZeroTwo may save: “Prefers concise responses without excessive explanation”
You can also be explicit:
  • “Remember that I only use Vim” → ZeroTwo will save this as a preference
  • “Keep in mind I’m preparing for a Series A fundraise” → saved as general context

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Viewing your memories

To see all saved memories:
  1. Go to Settings → Personalization
  2. Click Memory
  3. Browse the list of saved memories, organized by category
Each memory shows its content, category, and when it was saved.

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Memory in responses

When a memory is relevant to your current conversation, ZeroTwo uses it to:
  • Adjust the tone or format of its response
  • Choose relevant examples (e.g., Python vs. JavaScript)
  • Reference your context without you having to explain it
  • Avoid repeating explanations you’ve indicated you don’t need
ZeroTwo doesn’t typically announce when it’s using a memory — it just incorporates the context naturally.

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Editing and deleting memories

You can correct, edit, or delete any memory at any time. See Managing and Deleting Memories for details.

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Plan limits

PlanMemory limit
Free5 memories
Pro and aboveHigher limits (see pricing page)
When you hit the Free plan limit, ZeroTwo may stop forming new memories until you delete existing ones or upgrade.

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Turning memory off

If you prefer ZeroTwo not to remember anything across conversations:
  1. Go to Settings → Personalization
  2. Click Memory
  3. Toggle memory Off
With memory off, ZeroTwo won’t save new memories and won’t use existing memories as context in new chats. Your saved memories are preserved — turning memory back on will resume using them.

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Privacy

  • Memories are stored per-account and are never visible to other users
  • Memories are not used to train ZeroTwo’s underlying AI models
  • You can export all your memories via Settings → Data Controls → Export Data
  • You can delete all memories permanently via Settings → Personalization → Memory → Clear All