Google DeepMind Launches Gemini 4 Argon: Leading ERQA Benchmark with Million-Token Reasoning and Reconstructing Enterprise Cost EfficiencyRohan Paul (@rohanpaul_ai)T2Foundation Models

Rohan Paul (@rohanpaul_ai) · 10/14/2026, 02:57:26

Google Opens Gemini 4 Argon to Paid Users: Leads Vals AI Index with 1M Output Window and Superior Cost Efficiency

By Rohan Paul (@rohanpaul_ai)

88AI Score

Executive Summary

Google has officially opened Gemini 4 Argon to paying customers, where it leads the Vals AI professional work index with a score of 68.90%, surpassing Claude Sonnet 5.5 and Opus 5.5. The model's key breakthrough is its support for a 1 million token output context window, achieving significantly lower per-test costs ($15.68 vs $32.14) by drastically reducing input token consumption compared to competitors.

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Rohan Paul (@rohanpaul_ai) · 2026-10-13 18

Google opened Gemini 4 Argon to paying customers, and it already leads Vals AI’s index of professional work.

Since its September 30 unveiling, Argon had been limited to Google teams, the US government, vetted cyber defenders and early-access partners.

One of its big deal is the 1 mn token output context window.

Its introductory API price of $2/$ 10 per 1M input/output tokens doubles to $4 and$ 20 after November 30.

Google ties Argon’s longer runs to a 1M-token budget shared by input and output, while Gemini 3.1 Pro Preview capped output at 64K tokens.

Vals AI’s index weights agentic finance, coding, legal and tax tasks by each sector’s share of US GDP, using 6 private benchmarks and 2 public ones.

Argon scored 68.90% there, ahead of Claude Sonnet 5.5 at 67.04% and Claude Opus 5.5 at 66.97%.

It also ran faster and cheaper, averaging under 47 minutes and $15.68 per test against 1 hour 18 minutes and$ 21.34 for Sonnet 5.5.

Vals priced Argon at the $4 and$ 20 standard rate Opus 5.5 also charges, yet Opus cost $32.14 per test.

Argon’s cost edge therefore comes from using fewer than half Opus’s input tokens, so it should survive the end of the discount.

↳ 引用 @sundarpichai (Sundar Pichai): Gemini 4 Argon is here.

It’s available globally today for developers and enterprises in the paid tier of the Gemini API and the Gemini platform, for Ultra subscribers in Google Antigravity, and Ultra and Pro subscribers in the Gemini app and Search.

Hope you all enjoy it!

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