Google has launched Gemini 4 Argon, its newest frontier AI model. It is built for difficult, multi-step work such as coding, finance, legal analysis, cybersecurity and science. This guide covers what Argon can do, how to start using it, what each plan includes, and what it costs.
What is Gemini 4 Argon?
Argon is the first model in Google’s new Gemini 4 family. Google says it is made for deep work on complex problems rather than quick chat replies. It ranks first on the Vals Index, a benchmark covering areas like finance, coding, legal and tax work. Google says more Gemini 4 models will follow.
Key features of Gemini 4 Argon
Stronger coding and engineering. Inside Google’s coding platform, Antigravity, Argon helped Google teams raise agentic code submissions by more than 35% and cut code rollbacks by nearly a third. It also helped refactor a huge part of Chrome’s code in weeks instead of months.
A 1 million token limit. Through the Gemini API, Argon supports a unified input and output limit of 1 million tokens, so it can keep working on very large tasks.
Clearer writing. Google says Argon answers more directly, hedges less, avoids repeating itself, and follows style instructions better than earlier Gemini models.
Business and professional workflows. It can read complex documents, analyze data and work with images. In the Gemini app, Google showed it turning a folder of project files into a client proposal deck, emailing it, and setting up a scheduled task.
3D, games and visual coding. Argon is better at spatial reasoning and visual code, and Google’s demos include 3D scenes and playable games.
Science and research. Google reports uses in quantum computing, fusion research, rare disease genetics and enzyme design. It scored 87% on a robotics reasoning test (ERQA).
Safety. Google says Argon is better at refusing harmful requests, takes fewer unauthorized shortcuts when working as an agent, and resists prompt-injection attacks well. Verified cybersecurity defenders can apply to the Fairwind Program for expanded access.
How to use Gemini 4 Argon
- Everyday users: open the Gemini app or AI Mode in Google Search. You need a Google AI Pro or Ultra plan.
- Coders and builders: use Google Antigravity, Google’s agentic coding platform. Pro includes entry-level limits and Ultra includes higher limits.
- Developers: use Google AI Studio or Android Studio with the Gemini API on the paid tier. The model name is
gemini-4-argon. - Businesses: use Gemini for business, the API, or Antigravity.
- Scientists: Google is giving 10,000 scientists free access to Antigravity’s highest usage tier for 6 months. Applications are open and selection isn’t guaranteed.
Google AI Pro vs Google AI Ultra
Both plans include access to Gemini 4 Argon. They differ in limits, storage and extras.
| Google AI Pro | Google AI Ultra | |
|---|---|---|
| Price | $19.99/month | From $99.99/month |
| Usage limits | 4x higher than a free account | 5x higher than Pro |
| Gemini 4 Argon | Access | Higher access |
| Storage | 5 TB | 20 TB |
| Best for | Professionals and creators | Innovators and power users |
Google AI Pro: $19.99/month
Best for professionals and creators.
- Productivity: more done with expanded Gemini access, the Pro model, and helpful features in apps like Docs and Chrome.
- Creativity: pro-level content with expanded access to image, video and music generation in Gemini and Flow.
- Coding: a faster workflow with expanded access to AI development tools like Antigravity and Jules.
What’s included:
- Gemini 4 Argon, Deep Research and video generation
- 5 TB of storage across Google Photos, Drive and Gmail
- Google Flow, an AI creative studio for cinematic scenes and stories
- Gemini 4 Argon and Nano Banana Pro in Google Search
- Gemini inside Gmail, Docs, Sheets, Slides and Vids
- Gemini Notebook, with Audio and Video Overviews and Quizzes
- Entry-level Google Antigravity limits
- Google Developer Programme premium, with Codelabs, communities and extra Cloud credits
- Expanded Google AI Studio limits (Gemini 3.1 Pro and media models)
- Flow Music, an AI music studio, with expanded access
- Gemini in Android Studio with expanded limits
- Colab with 200 compute units per month
- YouTube Premium Lite
Google AI Ultra: from $99.99/month
Best for innovators and power users.
- Productivity: 5x the usage limits of Pro and higher access to Deep Research.
- Creativity: higher access to image, music and video generation in Gemini and Flow.
- Coding: agentic development at scale, with higher access to Antigravity and Jules.
- Early access: first look at experimental features like Project Genie.
What’s included:
- Everything in Pro, with higher limits throughout
- Higher access to Gemini 4 Argon, Deep Research, Flow and Gemini in Google apps
- 20 TB of storage
- Higher Antigravity rate limits
- Google AI Studio with the highest limits, including Argon and media models
- Project Genie, which creates and explores interactive worlds in real time using the Genie 3 world model
- Flow Music with the highest access
- More Cloud credits through the Developer Programme
- Colab with 1,000 compute units, premium accelerators and background execution
- Full YouTube Premium, including YouTube Music
Google’s page in Pakistan lists AI Pro at PKR 5,600/month (with a first-month offer of PKR 550) and Ultra from PKR 27,900/month. Those match roughly $20 and $100.
Gemini 4 Argon API pricing
If you build apps, you pay per use instead of a monthly fee. This is separate from the plans above.
| Intro price (until Nov 30, 2026) | After Nov 30, 2026 | |
|---|---|---|
| Input | $2 per 1M tokens | $4 per 1M tokens |
| Output | $10 per 1M tokens | $20 per 1M tokens |
Cached input tokens get a 95% discount. The price doubles after the introductory period.
Which option should you choose?
- Choose AI Pro if you want Argon in the Gemini app and Search, plus creative tools, 5 TB of storage and entry-level coding tools at $19.99.
- Choose AI Ultra if you keep hitting limits, build with agents, create lots of video or music, or want Project Genie and early features.
- Choose the API if you’re building your own product and want to pay only for what you use.
FAQs
Is Gemini 4 Argon free? Google’s launch announcement says Argon is available to Google AI Pro and Ultra subscribers in the Gemini app, and through the paid API for developers.
How much does Gemini 4 Argon cost? AI Pro is $19.99/month and AI Ultra starts at $99.99/month. API use costs $2 per million input tokens and $10 per million output tokens until November 30, 2026.
What is the difference between AI Pro and AI Ultra? Ultra gives 5x the usage limits of Pro, 20 TB instead of 5 TB of storage, higher Antigravity and AI Studio limits, and access to Project Genie.
Can I use Argon for coding? Yes. It is available in Google Antigravity, AI Studio, Android Studio and the Gemini API.
Prices and features can change, so check Google’s AI plans page before subscribing. Source: Google’s announcement, “Gemini 4 Argon: Built to solve your hardest problems,” October 13, 2026, plus Google’s AI plans page.
