Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent is a SpaceXAI variant of the Grok 4.20 family that is purpose-built for collaborative, agent-based research workflows rather than single-turn generation. According to SpaceXAI's developer documentation, the system is part of a Realtime Multi-agent Research capability in which multiple specialized agents coordinate in real time: some search and gather information from multiple sources simultaneously, others analyze and cross-reference findings across domains, and additional agents synthesize comprehensive answers with citations and supporting evidence while iterating on intermediate results. The model is invoked by specifying grok-4.20-multi-agent in API requests, and the same documentation frames the feature as a coordinated team approach to deep, multi-step research rather than a monolithic language model.

In practice, the agent team scales with reasoning effort: at low or medium effort the system runs four parallel agents, while at high or xhigh effort it expands to sixteen agents, letting callers trade off cost and latency against breadth of search and synthesis. This makes the model a strong fit for workloads that benefit from parallel exploration and tool orchestration, such as deep research briefs, comparative analyses, and tasks that require cross-referencing multiple domains before producing a well-sourced answer. Rather than emphasizing raw single-turn quality, the value proposition is the orchestration layer itself, turning multi-step research into a coordinated real-time workflow.