# Google unveils Gemini 4 Argon after months of delay | QANATONE

> Argon, the first top-tier Gemini 4 model, can output up to 1 million tokens in one go. Google has dropped plans to ship Gemini 3.5 Pro.

Kaynak: https://www.qanatone.com/en/haber/google-gemini-4-argon/

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# Google unveils Gemini 4 Argon after months of delay

30 Sep 2026 1 min read News · Models

Argon, the first top-tier Gemini 4 model, can output up to 1 million tokens in one go. Google has dropped plans to ship Gemini 3.5 Pro.

## What changed

Argon is larger than any model in Google’s Pro line and is aimed at long-running coding and enterprise knowledge work. Its output limit jumps from 64,000 tokens to 1 million. On DeepSWE v1.1, Google reports 77.9% for Argon against 74.2% for Claude Opus 5.5 and 74.1% for GPT-6 Astra.

## Price and independent tests

API pricing is $2 per million input tokens and $10 per million output tokens, with 95% off cached input. Independent testing puts Argon level with GPT-6 Astra at 53 on a general intelligence index, but its hallucination rate on a knowledge test is 15% against 51% for Astra.

## Timing

Argon rolls out first to Google AI Ultra subscribers and paid API customers. Gemini 3.5 Pro, which Sundar Pichai had promised for June, will not ship.

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