# Apertis Changelog: 2.2.38 — Models Added

Canonical page: https://apertis.ai/changelog/2.2.38
Markdown mirror: https://apertis.ai/changelog/2.2.38.md
Version: 2.2.38
Title: Models Added
Published: 2026-04-01
Category: feature

Add Grok 4.20

## Highlights

- Grok 4.20
- Grok 4.20 Multi-Agent

## Details

## Grok 4.20

Grok 4.20 is xAI's newest flagship model, designed for high-performance reasoning with industry-leading speed and strong agentic tool-calling capabilities. It emphasizes strict prompt adherence and low hallucination rates, delivering highly precise and reliable responses. Optimized for agent workflows and real-time applications, Grok 4.20 provides consistent, truthful outputs while maintaining fast inference and robust task execution.

## Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent is a specialized variant of xAI's Grok 4.20 designed for collaborative, agent-based workflows. It enables multiple agents to operate in parallel, coordinating tool use and synthesizing information to handle complex, multi-step tasks. Optimized for deep research and large-scale problem solving, the model supports configurable reasoning effort: 4 agents for low/medium settings and up to 16 agents for high/xhigh settings, enabling scalable parallel reasoning and execution.

**Enjoy it.**