# Apertis Changelog: 2.2.109 — Models Added

Canonical page: https://apertis.ai/changelog/2.2.109
Markdown mirror: https://apertis.ai/changelog/2.2.109.md
Version: 2.2.109
Title: Models Added
Published: 2026-10-14
Category: feature

Add Gemini 4 Argon

## Details

Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents. Google trained it to keep context across long, multi-step tasks and to turn long documents mixing text, tables, charts and images into a single grounded output. It leads the Vals Index across finance, legal, coding and tax work, and supports long decode of up to 1M output tokens in a single response.