Paying NT$650 (local pricing) a month for the full Gemini experience is not your only option. This guide lays out every mainstream way to subscribe to Gemini (Google AI Pro) in 2026 — the official free tier, Google AI Plus, a direct AI Pro subscription, Google One family group cost-splitting, and PremLogin's full-price official subscription — with the actual monthly cost, the fine print, and who each option suits, all in a single table.
Google overhauled its AI subscription lineup after Google I/O 2026[來源]. Google's Taiwan site currently lists Google AI Plus at NT$165/month, Google AI Pro at NT$650/month, and Google AI Ultra from NT$3,300/month (local pricing)[來源]; the international price for AI Pro is US$19.99/month[來源]. Google also runs limited-time discounts for new subscribers from time to time, so always treat the live price on the official site as the final word.
The Bottom Line First: Three-Sentence Version
- You only ask the occasional question or tidy up documents → the official free tier is plenty. Don't rush to pay.
- You're a heavy user (million-token long documents, Deep Research, and video generation all matter) and you can fill 6 seats at home → official AI Pro at NT$650/month split through a family group, about NT$108 per person.
- You want the full AI Pro feature set without rounding people up → the PremLogin Gemini (Google AI Pro) full-price plan at US$3.33/month (about NT$107), roughly 80% less than the NT$650 direct subscription[來源].
All 5 Subscription Options Compared
| # | Option | Actual monthly cost | What you get | Best for | Main catch |
|---|---|---|---|---|---|
| 1 | Official free tier | NT$0 | Base model, basic usage limits | Light users | No million-token context, advanced features limited |
| 2 | Google AI Plus | NT$165 | About 2x the free tier's usage, 200GB storage[來源] | Light power users | Doesn't include the full AI Pro feature set |
| 3 | Official AI Pro (direct) | NT$650 | Gemini 3.1 Pro, million-token context, 5TB storage | Heavy individual use | The most expensive option |
| 4 | AI Pro + family group split | ~NT$108/person | Same AI Pro benefits | Households that can fill 6 seats | You recruit members and collect payments yourself; storage is pooled |
| 5 | PremLogin full-price plan | US$3.33 (about NT$107) | Dedicated ready-to-use account, multimodal + million-token context | Individuals who want zero hassle | Limited seats; check the product page for availability |
Options 1–2: The Free Tier and Google AI Plus — First Check Whether You Actually Need to Pay
A lot of people don't actually need AI Pro. The free version of Gemini covers everyday Q&A, translation, and email drafting just fine. Google AI Plus (NT$165/month) offers about twice the free tier's usage plus 200GB of cloud storage[來源], which suits light power users who only occasionally bump into the usage cap. The test is simple: if you've never hit the free tier's usage wall and have no need for million-token long-document analysis, a paid plan is just money wasted.
Option 3: Official AI Pro Direct Subscription — What NT$650 Buys You
Google AI Pro is the flagship tier of the full Gemini experience. For NT$650 a month you get access to the Gemini 3.1 Pro model, a 1-million-token context window (enough to digest an entire book-length document in one pass), Deep Research, video generation, and 5TB of storage spanning Gmail, Google Drive, and Google Photos[來源]. Subscribers can also use Gemini directly inside Gmail, Google Docs, and other Google services. If AI is your primary productivity tool, there's little to fault on the feature side — the only problem is the price, the highest of any option here. Google does run limited-time first-year discounts for new subscribers from time to time, so it's worth checking the official site for a current promotion before you commit.
A quick word on the top tier, Google AI Ultra: the Taiwan site lists it from NT$3,300/month (local pricing)[來源], pitching several times AI Pro's usage limits, at least 20TB of storage, and a bundled YouTube Premium subscription. Unless you're a professional running heavy video-generation or research workflows every day, Ultra is overkill for the vast majority of people, so we won't go deeper here.
Option 4: Google One Family Group Splitting — About NT$108 per Person, but You're the Admin
An AI Pro subscriber can invite up to 5 members (6 people including themselves) to share the subscription benefits through a Google One family group[來源]. NT$650 divided by 6 works out to roughly NT$108 per person per month — a great deal on paper. But three things land on your shoulders: filling all 6 seats with stable members, collecting money from everyone each month, and finding replacements when someone drops out. On top of that, the 5TB of storage is pooled across the whole family rather than separate for each person, and members must meet Google's regional requirements for family groups. It works well for households that already live together or have a stable lineup; for anyone on their own, "where do I find 5 people" is the real barrier.
Option 5: PremLogin's Full-Price Plan — a Dedicated, Ready-to-Use Account for US$3.33/Month
PremLogin's Gemini (Google AI Pro) plan delivers a dedicated, ready-to-use account for your personal use only: the account is set up and handed over to you, shared with no strangers, and the chat history, usage, and settings are entirely your own — with full multimodal support and the million-token context window. At US$3.33/month (about NT$107)[來源], that's roughly 80% less than the NT$650 direct subscription and on par with the per-person cost of a family split — without having to recruit members, collect payments, or backfill seats yourself.
It's also worth distinguishing this from the shared plans common on the market: a shared plan means multiple people using the same account, and while the price is low, your usage gets eaten by everyone else in the group and your chat history is mixed in with theirs. A dedicated, ready-to-use account is yours alone, so by design none of those problems exist — which is exactly what makes this a rarity among shared-subscription platforms, and a PremLogin signature.
One limitation we'll state honestly: this is a separately created dedicated account, not linked to your existing Google account. If your core need is having Gemini deeply integrated with your own Gmail and Google Drive data, only a direct official subscription can do that. But if what you want is Gemini's full AI capability itself — long documents, Deep Research, video generation — a dedicated account does everything you need, with a clean slate. Seats are limited; check the product page for live availability.
How to Spot a Legitimate Seller (Quick Version)
There are also cheap channels out there built on cracked accounts or stolen-card payments. The telltale signs: prices too low to make sense, no refund rules, and accounts that die within days — buying from them is throwing money away. A three-point checklist:
- Does the seller openly state how accounts are sourced (full-price official subscriptions vs. origins they won't disclose)?
- Is there a published, enforceable refund policy, rather than a verbal promise?
- Does support commit to usage within official mechanisms, and is someone actually accountable when problems come up?
PremLogin sources everything through full-price official subscriptions — fundamentally different from the gray-market channels above. Refunds are prorated by the number of days used, with openly published rules; see the Help Center for details.
Wrapping Up: Pick by User Type
Light users should stick with the free tier; if you occasionally hit the usage wall, go with Google AI Plus (NT$165). If you can fill 6 seats at home, splitting official AI Pro through a family group is the cheapest route. For heavy individual use where you want to save both money and hassle, PremLogin's full-price dedicated account (US$3.33/month) is the sweet spot. And if you're auditing your streaming spend too, read on with The Cheapest Legal Ways to Subscribe to Netflix in 2026 (7 Options Compared).