Skip to content
Vercel April 2026 security incident

Grok 4.20 Multi Agent Beta

xai/grok-4.20-multi-agent-beta

Grok 4.20 Multi Agent Beta is the beta-tagged xAI multi-agent orchestration model in the Grok 4.20 generation. Use it when you want the same multi-agent focus as grok-4.20-multi-agent under a beta lifecycle identifier.

ReasoningTool UseImplicit CachingVision (Image)File Input
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'xai/grok-4.20-multi-agent-beta',
prompt: 'Why is the sky blue?'
})

What To Consider When Choosing a Provider

  • 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.

Grok 4.20 Multi Agent Beta is in beta. Expect potential changes before general availability.

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.

When to Use Grok 4.20 Multi Agent Beta

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 Beta offers early access to Grok 4.20 multi-agent orchestration while xAI refines coordination patterns. For production multi-agent pipelines, prefer the non-beta grok-4.20-multi-agent for stable behavior.

FAQ

Grok 4.20 Multi Agent Beta 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.

2M tokens.

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

Check the pricing panel on this page for today's numbers. AI Gateway tracks rates across every provider that serves Grok 4.20 Multi Agent Beta.

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

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.

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.