# Apertis Changelog: 2.2.99 — Models Added

Canonical page: https://apertis.ai/changelog/2.2.99
Markdown mirror: https://apertis.ai/changelog/2.2.99.md
Version: 2.2.99
Title: Models Added
Published: 2026-09-03
Category: feature

Add Muse Spark 1.3

## Highlights

- Muse Spark 1.3

## Details

## Muse Spark 1.3

Muse Spark 1.3 is Meta's multimodal reasoning model designed for long-running agentic, multi-agent, and coding workflows. It maintains context and information across extended tasks, enabling reliable execution in complex, multi-step environments. 

The model is optimized to resolve conflicting information, seek clarification or confirmation when necessary, and execute concisely, making it well suited for autonomous agents, collaborative multi-agent systems, and long-horizon software engineering workflows.