xAI: Grok 4.20 Multi-Agent Beta

Reasoning Attachments

Grok 4.20 Multi-Agent Beta is a variant of xAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information across complex tasks. Reasoning effort behavior: - low / medium: 4 agents - high / xhigh: 16 agents

Providers 1

Released Mar 12, 2026

Input Modalities image, text

Output Modalities text

Available Providers (1)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
Kilo Gateway	`x-ai/grok-4.20-multi-agent-beta`	$2.00/MTok	$6.00/MTok	2M	32.8K

Capabilities

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output