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Grok 4.20 Multi-Agent

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Grok 4.20 Multi-Agent is xAI's model purpose-built for multi-agent orchestration and collaboration, part of the Grok 4.20 beta generation.

ReasoningTool UseImplicit CachingVision (Image)File Input
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'xai/grok-4.20-multi-agent',
  prompt: 'Why is the sky blue?'
})

What To Consider When Choosing a Provider

  • Configuration: Grok 4.20 Multi-Agent is in beta. Expect potential changes before general availability.
  • Configuration: This model is optimized for agent collaboration patterns. For single-agent workflows, the non-reasoning or reasoning Grok 4.20 variants may be more appropriate.
  • Zero Data Retention: AI Gateway does not currently support Zero Data Retention for this model. See the documentation for models that support ZDR.
  • Authentication: AI Gateway authenticates requests using an API key or OIDC token. You do not need to manage provider credentials directly.

When to Use Grok 4.20 Multi-Agent

Best For

  • Multi-agent orchestration: Workflows where several agents coordinate tool calls, share context, and hand off subtasks reliably
  • Agent delegation workflows: A supervisor agent routes subtasks to specialist agents
  • Complex automation pipelines: Requiring multiple agents with different roles to collaborate
  • Tool-calling coordination: Agents need to share context and hand off results reliably
  • Research and analysis systems: That decompose large problems across specialized agent roles

Consider Alternatives When

  • Single-agent workflows: Grok 4.20 Non-Reasoning or Reasoning variants are better suited
  • Speed-focused single-agent tasks: Grok 4.1 Fast Non-Reasoning provides fast tool calling without multi-agent overhead
  • Stable production deployments: Beta models introduce risk. Wait for general availability or use Grok 4.1 Fast models
  • Simple text generation: General-purpose Grok models handle the task without multi-agent optimization

Conclusion

Grok 4.20 Multi-Agent opens up multi-agent orchestration as a first-class use case in the Grok model family. For teams building systems where agents collaborate, delegate, and coordinate, it provides a model specifically tuned for those interaction patterns. The beta status means you should plan for potential changes before committing to production use.

Frequently Asked Questions

  • What makes Grok 4.20 Multi-Agent different from other Grok 4.20 models?

    Grok 4.20 Multi-Agent is purpose-built for multi-agent orchestration. While the reasoning and non-reasoning variants target individual agent tasks, this model is optimized for workflows where multiple agents coordinate and collaborate.

  • What is the context window for Grok 4.20 Multi-Agent?

    2M tokens.

  • Is Grok 4.20 Multi-Agent in beta?

    Yes. Grok 4.20 Multi-Agent is currently in beta. Behavior, pricing, or availability may change before general availability.

  • What does Grok 4.20 Multi-Agent cost?

    Current pricing is shown on this page. AI Gateway routes across providers, and rates may vary by provider.

  • How do I authenticate with Grok 4.20 Multi-Agent through Vercel AI Gateway?

    Use your Vercel AI Gateway API key with xai/grok-4.20-multi-agent as the model identifier. No separate xAI account is needed for gateway-managed access.

  • Can I use Grok 4.20 Multi-Agent for single-agent workflows?

    You can, but it's optimized for multi-agent patterns. For single-agent use cases, the Grok 4.20 Non-Reasoning or Reasoning variants are better choices.

  • Does Vercel AI Gateway support Zero Data Retention for Grok 4.20 Multi-Agent?

    Zero Data Retention is not currently available for this model. ZDR on AI Gateway applies to direct gateway requests; BYOK flows aren't covered. See https://vercel.com/docs/ai-gateway/capabilities/zdr for details.