ChatGPT for Gmail: Draft, Summarize, and Check Email

ChatGPT can help with Gmail in three practical ways: drafting replies, summarizing long threads, and extracting follow-up tasks from a message. None of these require a direct Gmail integration at the basic level — the copy-paste approach works immediately. Browser extensions and automation tools add more convenience at the cost of more permission.

A common friction point is that good reply prompts take time to develop. Once you've worked out how to ask ChatGPT to match your writing style or handle a particular type of request, storing that prompt somewhere saves rewriting it. Tools like fenbs keep approved prompts and the follow-up tasks extracted from email in one place, separate from any one chat session.

Draft replies with copy-paste

The simplest way to use ChatGPT for Gmail needs no setup. Copy the email you're responding to, paste it into ChatGPT, and describe the reply you want. "Write a polite two-paragraph reply that confirms the meeting time and asks for the agenda" will produce a usable draft in a few seconds.

Before you send, read the draft carefully. ChatGPT doesn't know your relationship with the recipient, whether there's history that would change the tone, or whether a detail in the email it didn't emphasize is actually the important part. You may need to adjust names, titles, or specifics before the reply is accurate.

Summarize long threads

Long email threads — especially ones that involve multiple people revising a decision — are faster to process with ChatGPT. Copy the thread text, paste it in, and ask for a summary: "What was decided, who needs to act, and what is still unresolved?" The output is quicker to read than scanning back through every message.

For summaries that matter — an agreement with a client, a decision about a project scope — double-check the key points against the original thread. ChatGPT summarizes well on average but can smooth over a nuance or misread which version of a proposal was the one accepted.

Extract follow-up tasks

Paste a message and ask ChatGPT to list the action items it implies. "What do I need to do after reading this?" usually surfaces the explicit requests and the implicit ones. A message that says "Let me know your thoughts" is a request for a response; one that includes a deadline is a task with a due date.

Copy those tasks into wherever you track work — a task manager, a shared project board, a calendar. If you're using fenbs, paste them as tasks in the right project so your connected AI can read them in future sessions.

Browser extensions for in-Gmail drafting

Several browser extensions bring AI drafting directly into the Gmail compose window, so you don't have to leave the page to use ChatGPT. Compose AI, Merlin, and similar tools add a button or keyboard shortcut that opens an AI panel next to your draft.

These extensions typically require access to your Gmail content — your messages, drafts, and sometimes your full inbox. Review the permissions carefully before installing. Check the extension's privacy policy to understand how message content is handled and whether it is stored or used for training.

For business or work Gmail accounts, check with your IT administrator before installing a browser extension that reads email. Many organizations have policies about third-party tools accessing corporate email.

Accuracy checks before sending a draft

Read every ChatGPT-drafted reply before sending. Check that names, dates, references and commitments are accurate. A draft that says "I'll have this to you by Friday" commits you to that deadline regardless of whether ChatGPT invented it. Specific claims about a project, a price, or a person's role need a quick verification against the original email thread.

Privacy and permissions to check

Using ChatGPT with Gmail involves sharing email content with OpenAI's servers, whether through copy-paste or an extension. Before sharing a message, ask two questions: would the sender be comfortable with this, and does this email contain information I'm not supposed to share outside the organization?

Emails involving legal matters, personnel decisions, medical information, or NDAs generally should not be pasted into a third-party AI service. For routine correspondence — scheduling, project updates, general questions — the risk is lower, but the decision is yours to make with the specifics in front of you.

How to do this with fenbs

1. Create a free account and add a project for your email-heavy work area.
2. Write your best reply prompts under Skills and prompts in the project. Include the situation each prompt is for.
3. Connect ChatGPT to fenbs via Integrations. Ask it to list your prompts at the start of a session to find the right one quickly.
4. When you extract action items from email, paste them as tasks in the relevant fenbs project with a note recording the email source.
5. If a follow-up requires a decision before you can act, create it as an open decision in fenbs so it doesn't get buried in a chat.

Related: ChatGPT for business covers broader workplace use cases, and Claude vs ChatGPT if you're deciding which model fits your email workflow better.