Gemini 4 Argon
Google's first Gemini 4 model. API price is $2 / $10 per million tokens until November 30, 2026, then $4 / $20.
- Made by
- Released
- Type
- Flagship
- Status
- Live
- How to get it
- Paid Gemini API (no free tier)
- Good for
- ResearchLong documentsGoogle Workspace users
What it is
Gemini 4 Argon is the first model from Google’s Gemini 4 generation. Google’s Gemini API changelog lists it as generally available from October 13, 2026, with a context window of about 1 million tokens.
What it costs
Introductory pricing is $2 per million input tokens and $10 per million output tokens until November 30, 2026. From December 1 it doubles to $4 / $20. There is no free API tier.
What it means for you
If your work lives in Google’s tools, this is the model to watch. Test it on the long-document and spreadsheet tasks in our guides before the price goes up.
Use cases this model is good for
How to summarize a long PDF or contract with AI (without missing the important parts)
You have a 60-page report or contract and need the key points, numbers and risks today, without reading every page.
How to clean messy spreadsheet data with AI
Your spreadsheet has duplicate rows, five spellings of the same company and three date formats, and the report is due tomorrow.

