Google · Flagships · prices checked 15 October 2026

Gemini 4 Argon pricing: API and Gemini plans

Gemini 4 Argon costs $2 per million input tokens and $10 per million output, with a 1.05M context window. In Gemini, the cheapest plan with it is Google AI Pro at $19.99/mo.

US dollars per million tokens, standard rate, shortest context band. Plan prices read 20 October 2026.

Gemini 4 Argon · list price
$2 / $10per million tokens, input / output
1,000 support replies
$10.00
Cached input
$0.10
Context window
1,048,576 tokens
Released
13 Oct 2026
Weights
Closed weights

From Google’s own pages, 15 October 2026.

Gemini 4 Argon costs $2 per million input tokens and $10 per million output tokens on Google’s own API, and $0.10 for cached input. At those prices 1,000 support replies cost $10.00, the 16th most expensive of 42 priced models on our list.

In Gemini: Gemini 4 Argon is included in Google AI Pro ($19.99/mo), Google AI Ultra 5x ($99.99/mo), Google AI Ultra 20x ($199.99/mo).

gemini.google/us/subscriptions/ · Read 20 October 2026. Prices can differ by country and include or exclude tax depending on the country.

What a job costs

Three jobs, 1,000 runs of each, at the list price above, and where each puts Gemini 4 Argon among the 42 models with a list price.

Gemini 4 Argon: cost of 1,000 runs of three jobs
Job1,000 runsAmong 42
Support reply3,000 in, 400 out.$10.0016th most expensive
Document summary25,000 in, 1,000 out.$60.0016th most expensive
Agent task80,000 in (70,000 cached), 3,000 out.$57.0018th most expensive

The token counts are ours, chosen to look like real work; the prices are Google’s. All three jobs stay under 100,000 tokens a request, below every long-context surcharge on the list.

The small print

What the base rate above leaves out, copied from the maker’s pages: surcharges, discounts, promotions and cache pricing.

Launch price through 2026-11-30; from 2026-12-01 it becomes $4 / $20, cached $0.20. Output includes thinking tokens. Implicit caching only. No long-context premium. Batch and Flex 50% off; Priority $3.60 / $18. Not on the Free tier.

Gemini 4 Argon against the models it is weighed with

Each comparison puts both list prices side by side and costs the same three jobs on each.

vs Claude Opus 5.5
Google's new flagship against Anthropic's, with Argon at half the Opus price until December, when the two match.
vs GPT-6 Astra
Google's and OpenAI's newest flagships, with Argon at a fifth of the Astra input price at launch.
vs Gemini 3.1 Pro (preview)
The new Gemini flagship against the 3.1 Pro it replaces, at the same $2 input until Argon doubles in December.
vs GPT-6.1 Sol
Google's new flagship against OpenAI's workhorse Sol, at the same $2 / $10 list price until December.
vs Grok 4.7
Google's and xAI's flagships at the same $2 input, with Grok cheaper on output and Argon reading twice the context.
vs Muse Wonder
The two flagships released the same week, both with 1M context, with Wonder twice the Argon launch price.

Other Google models

Other Google models
ModelInputOutputContext1,000 replies
Gemini 3.1 Flash-LiteGoogle$0.25$1.501.05M$1.35
Gemini 3.5 Flash-LiteGoogle$0.30$2.501.05M$1.90
Gemini 3.8 FlashGoogle$0.75$3.751.05M$3.75
Gemini 3.1 Pro (preview)GoogleNewer model: Gemini 4 Argon$2.00$12.001.05M$10.80

Where the price comes from

Read on 15 October 2026. Each price is the standard rate for the shortest context band, with no batch or priority discount; long-context surcharges, batch rates and promotions are in each model’s small print. No price was taken from a reseller.

Compare Gemini 4 Argon with 45 other models

The price list sets every model’s input and output price side by side, with what a support reply, a document summary and an agent task cost on each.

Prices checked 15 October 2026 · See them by release date