ChatGPT or Gemini?
The question behind it is almost always which office software you use: Gemini sits in Google Workspace and Slides, ChatGPT stands next to it and is more independent.
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Not fully reviewed yet
We read both vendors’ privacy documents – DPA, sub-processors, server location, training, deletion periods, certifications – and compared them below with source and date. Export options and plan prices come from the pricing and help pages we checked; third-party figures are marked as such. What you won’t find here: a rating or a winner – for that, someone has to use both tools.
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 ChatGPT Documents reviewed |  Gemini Documents reviewed | |
|---|---|---|
| Category | AI Assistants for Decks | AI Assistants for Decks |
| Pricing model | Free plan + paid plans | Free plan + paid plans |
| Into PowerPoint | PPTX file; inside PowerPoint (Free) plan not stated; documented for ChatGPT desktop app page sits in Codex docs; no explicit download button or plan; ChatGPT Work article says PowerPoint not included in Work desktop flow at launch ChatGPT for PowerPoint add-in; Free/Go limited usage Vendor help center ↗ · checked 2026-10-16 Vendor help center ↗ · checked 2026-10-16 | not documented |
| Into Google Slides | direct export ChatGPT Work with Google Workspace app connected; plan not named Vendor help center ↗ · checked 2026-10-16 | inside Google Slides eligible Google Workspace or Google AI plan (tiers not named); desktop, English only; personal accounts via Workspace Labs/Experiments Canvas presentations; Workspace business/edu plans, AI Pro and Ultra announcement Oct 2025; free/AI Plus availability not stated Vendor help center ↗ · checked 2026-10-16 Vendor page ↗ · checked 2026-10-16 |
| Builds from a document | yes – plan not documented attach source material or a .pptx/.docx/.xlsx template file types from https://help.openai.com/en/articles/8983675-what-types-of-files-are-supported Vendor help center ↗ · checked 2026-10-16 | yes – Google AI Pro plan and up file types not listed; Slides side panel can use Drive files Vendor page ↗ · checked 2026-10-16 |
| Starting paid plan | Go: USD 8 per user per month, month-to-month pricing page chatgpt.com/pricing shows no amounts; bindung assumed monthly Vendor page ↗ · checked 2026-10-16 | Google AI Plus: USD 4.99 per month, month-to-month no annual prices listed Vendor page ↗ · checked 2026-10-16 |
| Cheapest plan with PowerPoint output | Free: free Vendor help center ↗ · checked 2026-10-16 | not documented |
| Vendor headquarters | United States | United States |
| Self-hostable | no | no |
| Server location | United States | EU / Switzerland |
| Verified on | pending | pending |
Privacy documents compared
What the vendors commit to in their published documents – every answer with evidence. Not a certification and not legal advice; what counts is the contract you sign.
| Question | ChatGPT | Gemini |
|---|---|---|
| Data processing agreement (DPA) available | yes DPA applies automatically via the Commercial Terms; for Business, Enterprise and API – not for Free/Plus. Source · Sep 19, 2026 | yes Cloud DPA automatically part of the Workspace agreement; not for the free Gemini account. Source · Sep 19, 2026 |
| Server location disclosed | yes Default USA; data residency selectable in 10 regions incl. Europe – Enterprise/Edu and API only. Source · Sep 19, 2026 | yes Data Regions: storage and processing selectable in Europe or the USA, from Business Standard up. Source · Sep 19, 2026 |
| Sub-processors listed publicly | yes Public list with purpose and location, as of July 9, 2026. Source · Sep 19, 2026 | yes Public list with purpose, country and registered office; as of July 23, 2026, with version history. Source · Sep 19, 2026 |
| Training on customer data: default and opt-out, by plan | business plans only Business/Enterprise/API: excluded. Free/Plus/Pro: training on – opt out in settings. Source · Sep 19, 2026 | business plans only Workspace with Gemini: excluded. Gemini app: opt-out required; human review possible. Source · Sep 19, 2026 |
| EU representative appointed (Art. 27 GDPR) | no No Art. 27 EU representative needed: OpenAI Ireland Ltd., Dublin, is the EEA controller. Source · Sep 19, 2026 | no No Art. 27 EU representative needed: Google Ireland Ltd., Dublin 4, is the EEA controller. Source · Sep 19, 2026 |
| Standard Contractual Clauses (SCCs) for transfers outside the EU | yes SCCs incorporated into the DPA, supplemented by the UK Addendum; legal basis Art. 46(2)(c) GDPR. Source · Sep 19, 2026 | yes SCCs C2P, P2P and P2C incorporated into the Cloud DPA depending on the setup. Source · Sep 19, 2026 |
| Deletion periods documented | yes Deleted content removed within 30 days; temporary chats automatically after 30 days. Source · Sep 19, 2026 | yes Deletion within max. 180 days, plus 30 days at contract end. Gemini app: 18 months. Source · Sep 19, 2026 |
| Independent certification (ISO 27001, SOC 2) | yes SOC 2 Type 2 (Jul 1, 2025–Jun 30, 2026) and ISO 27001:2022; scope: API, Enterprise, Edu. Source · Sep 19, 2026 | yes ISO/IEC 27001 covers the Gemini app and Gemini in Workspace; certificate only via Reports Manager. Source · Sep 19, 2026 |
What else you need to check
Until the review is done, these are the questions that make the difference – the same for both tools.
| Data processing agreement | Available, and from which plan? Usually not on the free plan. |
|---|---|
| Server location | Stated or selectable? A promise is not a setting. |
| Training on your slides and prompts | Excluded by default, opt-out only, or not at all? |
| Export | Editable PPTX or Google Slides, or only PDF and a share link? |
| Pricing in detail | What does the plan you actually need cost – and what happens when you exceed it? |
| Billing | Company invoice with VAT, or credit card only? |
Full checklists: GDPR questions · Buying checklist
This comparison doesn’t replace your own evaluation for your use case. What a rating means is explained in our methodology; what it doesn’t mean, in the disclaimer. Found something wrong? Please report it – we correct it free of charge.