| Category | Chat & assistants · Chatbots & LLMs | Chat & assistants · Chatbots & LLMs |
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| In one sentence | The search engine that answers with sources: ask as you would a person and check every fact in one click. | Google’s AI, built into your email, your documents and your phone. |
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| Free plan | ✓ Yes | ✓ Yes |
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| Price | Free / Pro $20/mo / Max $200/mo | Free / AI Plus €4.99/mo / AI Pro €21.99/mo |
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| Plans and pricing | - Free €0
- Pro $20/month or $200/year (≈$16.67/month)
- Max $200/month or $2,000/year
- Education Pro $10/month
- Enterprise Pro / Max $40 / $325 per user per month
| - Free €0
- Google AI Plus €4.99/month
- Google AI Pro €21.99/month
- Google AI Ultra 5x €99.99/month
- Google AI Ultra 20x €219.99/month
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| AIAO score | 97/100 | 98/100 best |
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| Languages | No verified data | No verified data |
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| Where to use it | Web, iOS, Android, Windows and macOS; Comet browser; Sonar API. | Web, Android and iOS; Gmail, Docs, Vids, AI Mode in Search and Gemini Notebook. |
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| Pros | - Every answer links its sources so you can check them instantly.
- Up-to-date, real-time information.
- One subscription to choose between OpenAI, Anthropic and Google models.
- Comet, a free Chromium-based browser with an assistant that acts for you.
| - Deep integration with Gmail, Docs, Drive, Search and Android.
- Very strong at images and video: Nano Banana edits photos precisely and paid plans generate video (Omni Flash).
- Gemini 4 Argon, a frontier model, on AI Pro and Ultra, with a one-million-token context.
- Plans with lots of extras: AI Plus (€4.99) includes 400 GB and AI Pro adds 5 TB and YouTube Premium Lite.
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| Cons | - Clashes with publishers (lawsuits from Dow Jones, The New York Times, Britannica, Reddit…).
- Limited free plan: about 3 Pro searches a day and 1 research report a month.
- Agentic-browser risks (prompt injection) and training on by default.
| - The free plan has been cut back to Flash-Lite with vague limits.
- Privacy: human reviewers and reviewed chats kept for up to three years.
- Confusing branding and line-up, and new features reach the US before the European Economic Area.
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| Use cases | - Students, journalists and researchers who need sourced answers; professionals who want several frontier AIs with one subscription; anyone looking for a Google alternative for complex searches.
- Narrow the sources in the question itself (e.g. “only .gob.es sites and Spanish press from 2026”) and always open two or three citations before trusting a fact. If you use it for work, turn off “AI data retention” first.
| - People who already live in Gmail, Drive, Docs and an Android phone; students and researchers working with many sources (Gemini Notebook); image and video creators.
- Create a notebook with your PDFs, notes or links and ask questions only about those sources; in Gemini Notebook you can turn it into an audio overview to listen to in the car.
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| Privacy and data | On Free, Pro and Max, “AI data retention” is on, so your queries may be used for training; turn it off in Settings > Preferences (only affects future data). On Enterprise, data is never used for training and files are deleted after 7 days. | With “Keep activity” on, your chats may be used to improve the models and some are reviewed by people (kept for up to three years). Turn it off at myactivity.google.com or use temporary chats. Google says it does not use your conversations for ads. |
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| Profile | View details → | View details → |
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