Gemini 4 Argon, Google’s new frontier model, has been open to paying Gemini subscribers since October 13, 2026, and Google’s Nigerian plans page now lists it under subscriptions that start at ₦7,700 a month. The model was first announced on September 30 with a phased rollout that began with paid API customers and the top-tier Google AI Ultra plan, before Google widened access to Google AI Pro subscribers in the Gemini app and in AI Mode on Google Search.
Anyone using the free version of the Gemini app in Lagos or Kano won’t see Argon in the model picker. Google’s Nigerian subscriptions page describes the no-cost plan as giving “Access to our Flash-Lite model”, and Argon isn’t listed in that column at all, which means the upgrade most people have been reading about this week sits behind a monthly fee in naira.
| Announced | 30 September 2026 |
|---|---|
| Open to Pro subscribers | 13 October 2026 |
| Free Gemini plan | Not included (Flash-Lite model only) |
| Google AI Plus | ₦7,700 a month |
| Google AI Pro | ₦28,500 a month |
| Google AI Ultra | From ₦89,000 a month |
| Where it works | Gemini app, AI Mode in Search, Gemini API, Antigravity |
| Developer price | $2 per million input tokens, $10 per million output, until 30 November |
Pro is the plan Google points Nigerians to for Argon
Google’s Nigerian subscriptions page carries a banner that reads “Looking for Gemini 4 Argon? Select AI Pro or AI Ultra below to get access starting today.” Google AI Pro costs ₦28,500 a month and includes Argon in the Gemini app along with higher limits in AI Mode. Google AI Ultra starts at ₦89,000 a month, with a ₦289,000 tier for heavier use, and it’s the plan that also unlocks Argon inside Google Antigravity, the company’s agentic coding tool.
The cheaper Google AI Plus plan, at ₦7,700, is a little murkier. Its column on the same page says it “Includes Gemini 4 Argon”, yet the banner only names Pro and Ultra, and Google hasn’t published how much Argon use a Plus subscriber gets. If you’re paying for Plus already, open the model menu in the Gemini app before you upgrade, because the answer for your own account is right there.
What changes when you actually use Gemini 4 Argon
Google says Argon answers more directly, hedges less and repeats itself less than earlier Gemini models, and it reports progress more often when it’s working on a long job. A new tasks toggle in the main chat window lets Gemini keep working on something after you’ve walked away from your computer, which is useful for research or a document you’d otherwise babysit. The Gemini app also connects to more than 40 other apps now, although most of the shopping and booking partners Google names, such as Instacart and OpenTable, don’t operate in Nigeria.
For developers, Google says Argon handles up to a million tokens of combined input and output through the Gemini API. In its developer announcement, Google set an introductory price of $2 per million input tokens and $10 per million output tokens, rising to $4 and $20 from November 30, 2026. Nigerian startups building on the API and billing in dollars have about six weeks before that rate doubles, so it’s a sensible moment to test whether Argon is worth the cost against a cheaper Flash model.
University students and researchers have cheaper ways in
Google’s student offer for Nigeria gives eligible university students aged 18 or older a free year of Google AI Plus, and it can be redeemed until December 31, 2026. You’ll need to add a payment method when you sign up, and the plan switches to ₦7,700 a month after the free year unless you cancel, so set a reminder before it renews. Students whose 2025 AI Pro trial has expired can also qualify, according to the page.
Researchers have a separate route. Google says it’s offering 10,000 scientists six months of free access to the highest usage tier in Antigravity, onboarded on a rolling basis and subject to eligibility, capacity and selection. The announcement doesn’t limit the programme to particular countries, so lecturers and postgraduate researchers at Nigerian universities can apply through the form linked in Google’s post, though there’s no guarantee of a place.
If you mostly use Gemini to draft messages or summarise notes, the free Flash-Lite model will keep doing that, and you don’t need to rush into a ₦28,500 plan. The people who’ll feel the difference are those running long research, coding or analysis jobs every week, and for them the sensible test is a month of Pro set against how much time Argon saves, much like the sums many Nigerians already do on what a ChatGPT subscription really costs here. If you prefer working in the browser, OpenAI’s rival tool that reads your open Chrome tabs is worth comparing before you commit to either.
