Gemini 4 Argon changelog

Every change to Gemini 4 Argon that Modelpeers has recorded, newest first, each with the source it came from. The record starts Sep 30, 2026.

All (12)Releases (5)Prices/limits (1)Benchmarks (6)

October 2026

Gemini 4 Argon

Model at Google

Benchmark1w

Gemini 4 Argon debuts 31st of 145 on EQ-Bench Creative Writing v3

In its first result on EQ-Bench Creative Writing v3, Gemini 4 Argon scored 1758 Elo, 31st of 145.

After

1758 Elo, rank 31 of 145

Claude Sonnet 5.5, Opus 5.5, Gemini 4 Argon

5 models from Anthropic and Google and OpenAI

Benchmark1w

Vals Index: Sonnet 5.5 edges Opus 5.5 and Gemini 4 Argon

Vals AI's GDP-weighted index of finance, coding, legal and tax tasks ranks Claude Sonnet 5.5 first at 70.85%, Opus 5.5 at 70.18%, Gemini 4 Argon 69.24%, GPT-6 Astra 65.02% and GPT-6.1 Sol 63.94% as of October 21, 2026.

Gemini 4 Argon, Claude Opus 5.5, Claude Opus 5

6 models from Google and Anthropic and OpenAI

Benchmark1w

Arena text leaderboard: Gemini 4 Argon first, Opus 5.5 second, GPT-6 Astra 73rd

Arena's October 20, 2026 text leaderboard ranks Gemini 4 Argon (High) first at 1532 (4,900 votes), Claude Opus 5.5 (High) second at 1516, Claude Opus 5 (Max) fourth at 1509, Claude Sonnet 5.5 (xHigh) 28th at 1473, GPT-6.1 Sol (Max) 66th at 1443 and GPT-6 Astra (Max) 73rd at 1441.

Claude Opus 5.5, GPT-6 Astra, Sonnet 5.5

6 models from Anthropic and OpenAI and Google

Benchmark1w

Arena WebDev leaderboard: Opus 5.5 first, GPT-6 Astra second

Arena's October 19, 2026 WebDev leaderboard ranks Claude Opus 5.5 (Max) first at 1807 (2,925 votes), GPT-6 Astra (Max) second at 1774, Claude Sonnet 5.5 (xHigh) third at 1768, GPT-6.1 Sol (Max) fourth at 1753, Claude Opus 5 (Max) eighth at 1689 and Gemini 4 Argon (High) tenth at 1678.

Claude Opus 5.5, Sonnet 5.5, GPT-6 Astra

6 models from Anthropic and OpenAI and Google

Benchmark1w

Vals AI Terminal-Bench 4.0 with one harness: Opus 5.5 65.2%, Astra 59.6%, Argon 57.6%

Running every model in the same Mini-SWE-agent harness, Vals AI reports Claude Opus 5.5 at 65.15%, Sonnet 5.5 64.14%, GPT-6 Astra 59.60%, Gemini 4 Argon 57.58%, GPT-6.1 Sol 55.05% and Opus 5 53.53%. GPT-6.1 Sol cost $1.72 per test against $13.20 for Opus 5.5.

Gemini 4 Argon

Model at Google

Benchmark2w

Epoch runs Gemini 4 Argon: 96.4% on GPQA Diamond, 86% on FrontierMath tiers 1-3

Epoch's benchmark data, with runs started October 13, 2026, records gemini-4-argon at high effort scoring 0.964 on GPQA Diamond, 0.860 on FrontierMath tiers 1-3 and 0.780 on FrontierMath tier 4. Its ECI is 166.45.

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