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xAI Released March 12, 2026 Synced Mar 31, 2026

xAI: Grok 4.20 Multi-Agent Beta

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

VisionReasoning

Why it stands out

Offers a 2000K-token context window, enabling full-document and multi-file analysis without chunking.
Reasoning capability positions it for multi-step analysis and chain-of-thought tasks.
Multimodal input (vision) extends it beyond text-only workflows.

What to watch

No tool-use capability is currently tracked, which limits its fit for agentic or function-calling patterns.
No benchmark score currently tracked — evaluate using task-specific testing alongside pricing and capability data.

Release timeline

Tracked events for xAI: Grok 4.20 Multi-Agent Beta.

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release

xAI: Grok 4.20 Multi-Agent Beta entered the tracked catalog

March 12, 2026

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

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Recent changes

LaunchMar 12

xAI launched xAI: Grok 4.20 Multi-Agent Beta

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