Product Reviews

Claude just got a major personalization upgrade — here’s what’s new

Claude 4


Anthropic is giving Claude a personal touch with a new wave of updates that include: chat history search, custom preferences, project-based instructions and tone controls; all aimed at making Claude feel less like a one-size-fits-all chatbot and more like a true AI assistant.

Today’s update rolls out four big personalization features:

Pick up where you left off with Claude – YouTube


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  • Chat history search: Max, Team and Enterprise users can now quickly revisit past conversations with broader rollout planned. This means Claude can maintain context over multiple sessions without you having to rehash the same details.
  • Profile preferences: Set your ideal writing style, preferred terms or typical topics so Claude’s responses align better with your voice and needs.
  • Project instructions: For paid users, Claude can follow specific guidance for ongoing projects, keeping tone, structure and priorities consistent across multiple chats.
  • Styles: Switch Claude’s tone to Formal, Concise or Explanatory or go further by uploading writing samples so the AI mirrors your own style.

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