Released Mar 31, 2026Knowledge cutoff Sep 1, 20252,000,000 context
$2/M input tokens$6/M output tokens$5/K web search
Grok 4.20 Multi-Agent 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
Apps Using xAI: Grok 4.20 Multi-Agent | OpenRouter