Gemini 4 Argon character

Gemini 4 Argon

Model at Google

Price change

Takes effect Dec 1, 2026 · in 30 days

Gemini 4 Argon introductory price doubles on December 1, 2026

Argon launched at an introductory $2 per 1M input tokens and $10 per 1M output tokens through November 30, 2026. From December 1, 2026 the price is $4 input and $20 output, and context caching rises from $0.10 to $0.20.

Before

$2 input / $10 output per 1M tokens

After

$4 input / $20 output per 1M tokens

Who is affected:
Paid Gemini API users of gemini-4-argon.
Action needed:
Budget for double the per-token cost from December 1, 2026.

Source

"Available through Nov 30, 2026 at an introductory price of $2/1M input tokens and $10/1M output tokens ($4/1M input and $20/1M output thereafter)."

Google Gemini API, What's new in Gemini 4 Argon

Published

Open the sourceai.google.dev

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