Gemini 4 Argon
Open since Oct 13.
Gemini 4 Argon has been generally available since October 13, 2026 through the Gemini API and in Google AI Pro and Ultra products.
- AnnouncedSep 30, 2026
- Limited accessSep 30, 2026
- DevelopersOct 13, 2026
- ConsumersOct 13, 2026
Last checked . Status last changed .
Where Gemini 4 Argon is open
| Where | Status | What we found |
|---|---|---|
| Gemini API, AI Studio and Gemini platform | Open | For developers and enterprises. Not on the free tier. Google: Gemini 4 Argon general availability, Gemini API pricing |
| Gemini app | Open | For Google AI Pro and Ultra subscribers. Google: Gemini 4 Argon general availability, Gemini subscriptions |
| AI Mode in Search | Open | For Google AI Pro and Ultra subscribers in select countries. Google: Gemini 4 Argon general availability, Gemini subscriptions |
| Google Antigravity | Open | For paid Google AI Pro and Ultra subscribers, and Gemini Enterprise. Google Antigravity models, Google: Gemini 4 Argon general availability |
| Fairwind partners | Limited | A set of partners uses Argon with CodeMender for defensive security work. Fairwind Program |
What it is
Argon is the Gemini 4 model you can use today. Google describes it as built for complex software engineering, research and multi-step agent work. It is not on the Gemini API free tier.
Price
| Price | Input | Output | Notes |
|---|---|---|---|
| Through Nov 30, 2026 | $2 | $10 | Context caching is $0.10 per million tokens. Gemini API pricing |
| From Dec 1, 2026 | $4 | $20 | Context caching is $0.20 per million tokens. Gemini API pricing |
History
Check log
The Gemini API pricing page (updated Oct 30) lists gemini-4-argon with the November 30 and December 1 prices. The models page (updated Oct 28) lists it as the Gemini 4 model. The Antigravity models page lists it for paid Pro, Ultra and Enterprise plans. Gemini API pricing, Gemini API models, Google Antigravity models
Timeline
Scheduled: API price rises to $4 input and $20 output per million tokens. Gemini API pricing
Scheduled: last day of the $2 and $10 introductory price. Gemini API pricing
Argon opens to developers, enterprises and Pro and Ultra subscribers. Google: Gemini 4 Argon general availability, Gemini API release notes
Google announces Argon and starts rolling it out to trusted cyber defenders through Fairwind. Google: Gemini 4 Argon first rollout