xAI: Grok 4.20 Multi-Agent

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

• Context window: 2,000,000 tokens
• Input: text, image, file
• Output: text
• Pricing: $2/M input tokens, $6/M output tokens

View on OpenRouter. Model data sourced from OpenRouter.