ChatGPT on Mac can now read and respond to Apple iMessages

OpenAI has introduced a Mac plugin enabling ChatGPT to interact directly with Apple's Messages app, allowing the AI assistant to read incoming texts and draft or send replies on a user's behalf — a significant step toward deeper AI integration with everyday communication tools.

OpenAI has expanded ChatGPT's capabilities on Mac by launching a plugin that connects the AI directly to Apple's Messages application. This means ChatGPT can now read incoming iMessages and help users compose or send responses, effectively turning the chatbot into a hands-on communication assistant.

The move represents a broader push by OpenAI to embed its AI deeper into the operating system layer, rather than keeping it siloed inside a standalone app. By hooking into native Mac software like Messages, ChatGPT becomes a more practical, ambient tool — one that can assist with real tasks rather than simply answering questions in a chat window.

This kind of OS-level integration puts OpenAI in closer competition with Apple's own evolving AI ambitions under the Apple Intelligence umbrella, raising interesting questions about whose AI assistant users will ultimately trust with their personal conversations.

OpenAI has rolled out a new plugin for its Mac desktop application that grants ChatGPT the ability to read and interact with Apple's Messages app. In practical terms, this means the AI can monitor incoming iMessages and assist users in drafting or even sending replies — blurring the line between a passive chatbot and an active digital agent.

This capability falls under the broader category of 'agentic AI,' where models don't just respond to prompts but take real-world actions on a user's behalf. Rather than asking ChatGPT a question and copy-pasting its answer into another app, users can now keep the AI in the loop within their actual communication workflow. It's a meaningful reduction in friction for people who already rely on the assistant heavily.

The integration also signals OpenAI's strategic intent to move beyond the browser and into the operating system itself. Earlier Mac integrations allowed ChatGPT to work with apps like Xcode and Terminal, but messaging is far more personal territory. Accessing someone's texts puts ChatGPT in contact with sensitive, intimate data — a step that will likely sharpen regulatory and privacy scrutiny.

Why it matters: Giving an AI assistant access to private messages is one of the most consequential integrations yet attempted by any major AI company. It accelerates the shift from AI as a lookup tool to AI as a genuine personal agent, but it also raises serious questions around data handling, consent, and security. Users will need to weigh real convenience against the risk of a third-party AI platform having visibility into their private conversations.

The development also intensifies the quiet rivalry between OpenAI and Apple. As Apple continues to build out its own Apple Intelligence features — including planned upgrades to Siri — OpenAI is racing to make ChatGPT indispensable at the system level on Apple's own hardware, essentially competing on Apple's home turf.