Personalize Char

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Change Charlie’s responses

Open Settings → Personalization. You can change the assistant’s name, base style and tone, and response preferences such as headers, lists, and emojis. Use Custom instructions for preferences that should apply across conversations. For example:

Use short paragraphs. Start with the answer. When reviewing a plan, list open questions at the end. Ask before sending messages on my behalf.

Keep instructions specific. “Use three bullets for routine updates” is easier to follow than “Write better.” Task-specific requests still belong in the chat.

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Choose a model

The model controls which AI handles the request. Use the model choices shown in Personalization and the chat controls available in your version. Some choices depend on your plan. Try the default first. If you change models, test with the same small request so you can compare the results. A model choice does not connect an app or grant it new permissions.

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Make the page comfortable to read

Open Settings → Appearance for the theme, font, and font size controls available in your version. Use Settings → General for language and region preferences, startup behavior, and related app settings. Search within Settings if you are unsure where a control lives.

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Manage your account and usage

Use Account for sign-in and account settings. Use Usage & billing to review your current plan and usage and open billing management when available. Check the information shown for your own account before making a purchase; beta access and plan availability can change.