Google Gemini Review
Google's flagship AI assistant, built into Gmail, Docs, Drive, Android and Chrome. Offers a 1M-token context window, strong multimodal capability, and a Deep Research agent, available free or via paid Google AI plans.
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- Best for
- Professionals and teams already inside Google Workspace who want AI built into the tools they use daily
- Pricing
- Free / £18.99/mo Google AI Pro / Ultra tiers Approx. GBP. A lower-cost 'AI Plus' tier (~£7/mo) also exists. Google restructured its AI plans in 2026 — verify the current line-up and price at checkout.
- Data residency
- US by default (consumer); EU data residency available on Workspace Enterprise tiers
- UK English
- Yes
Our in-depth review
The assistant that's already everywhere you work
Gemini's biggest advantage isn't a benchmark score — it's distribution. It's built into Gmail, Docs, Drive, Android and Chrome, so for anyone whose working day already runs on Google, the AI is right there without opening a new tab. The Gemini 3 family is genuinely capable, and the 1M-token context window is the largest of the mainstream assistants: you can drop an entire quarter's worth of documents into a single prompt and ask questions across all of them.
Where it shines
Beyond context size and integration, Deep Research is a standout — point it at a question and it reads hundreds of sources and returns a cited report. Multimodal handling is strong (image and video in and out, via Imagen and Veo), and at the entry level Gemini is the cheapest of the big three: a sub-£7 'AI Plus' tier undercuts both ChatGPT Plus and Claude Pro, while the £18.99 Pro tier adds storage and a generous research and media allowance.
Where it frustrates
The fast default model is prone to confident hallucination — independent 2026 testing flagged it as weak at admitting uncertainty, so use the Pro model for anything high-stakes and verify facts against a source. Safety filters can be heavy-handed, occasionally refusing benign creative or historical prompts, and the rapid churn of plan names and model versions makes it genuinely hard to know exactly what you're paying for from one month to the next.
The UK data question
Read this part carefully. On consumer plans your chats are used to improve Google's models by default, a subset is human-reviewed, and reviewed conversations can be retained for up to three years — so do not paste client or personal data into consumer Gemini. Google Workspace and Gemini Enterprise are a different proposition: Google does not train on your data, a DPA (the CDPA, with Standard Contractual Clauses) covers UK and EU law, and EU data-residency regions are available on higher tiers — albeit the very newest models aren't always served from EU-only regions yet.
Key features
- 1M-token context window
- Deep Research agent (cited multi-source reports)
- Native Google Workspace integration (Gmail, Docs, Drive)
- Multimodal image (Imagen) and video (Veo) generation
Pros & cons
What we like
- Largest context window of the mainstream assistants
- Unmatched integration with Google Workspace, Android and Chrome
- Cheapest entry point of the big three
- Strong multimodal input and output
What to watch
- Fast default model is prone to confident hallucination
- Consumer tiers use your chats for training by default
- Safety filters can refuse benign prompts
- Plan names and model versions change frequently
GDPR & data residency
Where your data is processed: US by default (consumer); EU data residency available on Workspace Enterprise tiers
Sharp split worth understanding. Consumer Gemini uses your chats to improve Google's models by default, with some human review and retention up to three years — not suitable for client personal data (you can opt out in settings). Google Workspace and Gemini Enterprise do NOT train on your data, provide a DPA (the CDPA, incorporating Standard Contractual Clauses) covering UK/EU law, and offer EU data-residency regions on higher tiers — though the newest models aren't always served from EU-only regions yet.
Our verdict
We rate Google Gemini 4.0 out of 5. It's best suited to professionals and teams already inside google workspace who want ai built into the tools they use daily.
Visit Google Gemini →Frequently asked questions
Is Google Gemini free?
Yes, there's a capable free tier with no card required. Paid Google AI plans add more: a low-cost 'AI Plus' tier around £7/month, 'AI Pro' at roughly £18.99/month, and higher 'Ultra' tiers. Google restructured the plans in 2026, so confirm the current line-up at checkout.
Does Gemini train on my data?
On consumer plans, yes — by default, with some human review; you can opt out in settings, though chats are still briefly retained. Google Workspace and Gemini Enterprise do not train on your data and offer a DPA, which is the right choice for client or personal data.
Gemini, ChatGPT or Claude?
Gemini for the biggest context window, Google Workspace integration and the cheapest entry; ChatGPT for breadth and ecosystem; Claude for writing quality and coding. Many UK professionals in a Google shop use Gemini and reach for Claude when they need extra polish.