ChatGPT vs Gemini in Gmail

ChatGPT and Gemini in Gmail overlap on work tasks and share 4 tasks. The verdict below is calculated for each role from the tasks, the role fit and the price.

Short answer

ChatGPT wins for 20 of 20 roles in our data. Gemini in Gmail starts at $14/mo and ChatGPT at $20/mo on the cheapest paid plan.

Verdict by role

Side by side

ChatGPT: All-purpose chat assistant with web search, file and spreadsheet analysis, voice and custom GPTs.

Gemini in Gmail: Email drafts, summaries of long threads and plain-language inbox search right in Gmail.

Tasks both handle

• Write a business letter
• Write an overdue payment reminder
• Write an email to a foreign partner in their language
• Write a rejection email to a candidate

Only ChatGPT covers

• Categorize a bank statement by cash flow line
• Get a spreadsheet formula from a plain-language request
• Analyze budget variances, actual versus plan
• Write a job ad and a job description
• Write a customer FAQ
• Write a sales proposal
• Reconcile the trial balance with the bank and source documents
• Prepare a reply to a tax authority request

Only Gemini in Gmail covers

• Find a meeting time with several participants

Pitfalls to watch at work

ChatGPT

• On the free and personal paid plans, chats may be used for training by default: in Settings, Data controls, turn off Improve the model for everyone before your first work task
• Employee names and tax IDs, account details, amounts and contract terms go into the chat only anonymized: replace them with [Employee 1], [Counterparty], [X]
• The model invents statute numbers, court decisions and links in a confident tone: check every such fact in the primary source

Gemini in Gmail

• The draft is built from the whole thread: before sending, check that it does not retell internal discussions the recipient should not see
• The model readily promises deadlines and amounts on your behalf: check figures and dates in the draft against the contract
• In a personal account, email containing client personal data passes through Google without a corporate data processing agreement

FAQ

Is ChatGPT or Gemini in Gmail better for work?

In our data ChatGPT is the better choice for 20 of 20 roles. The table above shows the reason for each role.

Which is cheaper, ChatGPT or Gemini in Gmail?

Gemini in Gmail starts at $14/mo and ChatGPT at $20/mo on the cheapest paid plan.

Do ChatGPT and Gemini in Gmail have free plans?

ChatGPT: Yes. The default model with a limited number of messages every few hours, after which it switches to a lighter model; file uploads and image generation with small limits; no Projects with large files and no full Deep Research. Gemini in Gmail: No.

Compare ChatGPT with

• ChatGPT vs Claude
• ChatGPT vs Copilot in Word
• ChatGPT vs Gemini in Google Sheets
• ChatGPT vs NotebookLM
• ChatGPT vs Gemini

Compare Gemini in Gmail with

• Gemini in Gmail vs Copilot in Outlook
• Gemini in Gmail vs Copilot in Word
• Gemini in Gmail vs Claude
• Gemini in Gmail vs Gemini in Google Docs
• Gemini in Gmail vs Superhuman

Alternatives to ChatGPT · Alternatives to Gemini in Gmail · ChatGPT pricing · Gemini in Gmail pricing