xAI: Grok 4.20 Multi-Agent Beta

x-ai/grok-4.20-multi-agent-beta

Released Mar 12, 20262,000,000 context

$2/M input tokens$6/M output tokens$5/K web search

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

xAI: Grok 4.20 Multi-Agent Beta

x-ai/grok-4.20-multi-agent-beta

Released Mar 12, 20262,000,000 context

$2/M input tokens$6/M output tokens$5/K web search

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

Recent activity on Grok 4.20 Multi-Agent Beta

Total usage per day on OpenRouter

Prompt

4.99M

Completion

346K

Reasoning

329K

Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.