Gemini 4 Argon

Tracked as: Gemini 4 Argon (wider rollout)

Estimated release

Oct 15, 2026

Mid Oct 2026

Details

Status: Announced Sept 30; only trusted cyber defenders have it so far, Ultra and paid API 'soon'
Current model: Gemini 3.1 Pro Preview, 29.7 on the Intelligence Index, released Feb 19, 2026 ()
Projected score: About 52.6 (+22.9)
Typical cycle: About 21 days between releases

Google announced Gemini 4 Argon on Sept 30, 2026 as its new frontier model, a week after Kavukcuoglu said Gemini 4 was in post-training
Access starts with trusted cyber defenders in the Fairwind Program; Google AI Ultra subscribers and paid API customers are next, with no exact date given
Google's benchmarks: DeepSWE v1.1 77.9% (Claude Opus 5.5: 74.2%), CWE-bench v1 68% (tied first), AutomationBench 51.3%, LVBench 91.7%; output limit raised to 1M tokens from 64K
Artificial Analysis already scores it at 52.6 (Sept 30), about level with GPT-6 Astra (52.7); introductory price $2/$10, rising to $4/$20 later
As of Oct 1 it is not in the public Gemini API catalog and Google has given no date for Ultra or paid API access

Source: Google blog 'Gemini 4 Argon: our next era of frontier intelligence' (Sept 30, 2026), 9to5Google coverage & Artificial Analysis