Is Gemini 4 Argon free to use?
Short answer
Not in the Gemini app. Google launched Gemini 4 Argon on Oct 13, 2026 for Google AI Pro ($19.99/month) and AI Ultra subscribers in the Gemini app and AI Mode in Search. The free plan gets the Flash-Lite model and AI Plus ($4.99) the Flash model. Developers pay per use through the Gemini API.
Which products can do it?
- Google GeminiYes
Gemini 4 Argon is available to Google AI Pro and AI Ultra subscribers in the Gemini app and AI Mode in Search; Google's US plans page lists it for AI Pro and Ultra but not for Free or AI Plus.
Good to know: AI Pro is $19.99/month in the US; Argon is offered in select countries, and AI plans are for ages 18+. API use is paid: $2/$10 per million input/output tokens until Nov 30, 2026, then $4/$20.
Why it matters
Google calls Argon its most intelligent model yet, and people want to know whether they can try it without paying.
Not proven yet
How many Argon prompts AI Pro allows before you hit the limit; Google gives only relative limits (Ultra up to 20x Pro). Whether Argon will ever come to the free plan; Google hasn't said.
How we know (3 sources)
Google's launch post for Gemini 4 Argon by Koray Kavukcuoglu (read Oct 28, 2026): rolling out globally to developers through the paid Gemini API in AI Studio, to Google AI Ultra subscribers in Google Antigravity, and to Google AI Ultra and Pro subscribers in the Gemini app and AI Mode in Search. Introductory API price of $2 per million input tokens and $10 per million output tokens until Nov 30, 2026, then $4 and $20. The post doesn't mention the free Gemini plan or AI Plus.
Read the source"8 examples of Gemini 4 Argon in action" (read Oct 28, 2026): Google's showcase of Argon building interactive tools, a 3D game, slide decks and animated explainers. Repeats that Argon is available to developers and enterprises via the API, and to Google AI Ultra and Pro subscribers in Google Antigravity, the Gemini app and AI Mode in Search. Nothing about free users.
Read the sourceGoogle AI plans in the US as listed on Oct 22, 2026: Free ($0: Flash-Lite model, Deep Research, Gemini Live, 15 GB storage); AI Plus ($4.99/month, 400 GB); AI Pro ($19.99/month: Gemini 4 Argon, Pro model, Jules coding agent, Gemini in Gmail and Docs, 5 TB); AI Ultra ($99.99 or $199.99/month for 5x or 20x Pro limits, from 20 TB). Re-read Oct 28, 2026: AI Plus gets the Flash model; AI Pro also includes YouTube Premium Lite (most videos ad-free, offline and in the background) and Google Home Premium Standard; AI Ultra includes the YouTube Premium individual plan and Google Home Premium Advanced. Premium Lite won't activate if you already have YouTube Premium or an equivalent plan. Gemini 4 Argon is available in select countries; AI plans are for ages 18+.
Read the source
Status timeline
No status has changed since we started tracking. Every entry is dated and backed by the sources on this page.
- First recorded: In storesGoogle Gemini
Gemini 4 Argon is available to Google AI Pro and AI Ultra subscribers in the Gemini app and AI Mode in Search; Google's US plans page lists it for AI Pro and Ultra but not for Free or AI Plus.