OpenAI is testing a new feature for ChatGPT that would let the chatbot learn a user’s writing style by examining content from connected personal apps. The feature, called Writing Style, is currently available only to a small group of users, according to the company. An onboarding screen for the tool explains that ChatGPT will write in the user’s voice by referencing examples pulled from those linked services.
The feature allows users to provide writing samples across three categories: messaging, documents, and email. OpenAI lists Slack for messaging, Google Drive and Notion for documents, and Gmail for email. Once configured, ChatGPT could draw on how a person naturally writes across those platforms when drafting new text. This would remove the need for users to repeatedly describe their preferred tone or paste examples into each conversation.
For US users who rely on these apps for work and personal communication, the feature could save time spent adjusting AI output to match their own style. Rather than feeding ChatGPT a sample every time they want a message written in their voice, the system would have ongoing access to real examples. The approach appears to differ from a similar personalization tool offered by Anthropic, which lets users upload or paste writing samples to generate a custom style.
Anthropic’s Styles feature relies on samples that users actively provide, whereas OpenAI’s experiment would reference writing that already exists inside connected third-party services. That could give ChatGPT access to a much larger and more varied set of examples, capturing differences between email tone and message tone or longer document structure. OpenAI has not indicated when Writing Style might become available to all users.
OpenAI confirmed that it is testing Writing Style but provided no timeline for a wider rollout. The company also announced separately that it is teasing Astra, its next major AI model, after that model solved a set of long-standing math problems. The writing feature is being evaluated with a limited test group while OpenAI continues developing other products.
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