TPSTokens Per Second

Grok 4.20 Multi-Agent

SpaceXAI (formerly xAI)🇺🇸 United States
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Context window2000K tokens
Input / 1M tokens$1.25
Output / 1M tokens$2.5

Pricing and context window via OpenRouter, 2026-11-15.

Version History

4.20minor

Grok 4.20 Multi-Agent is a specialized variant designed for collaborative agent-based workflows with parallel agent coordination. Scales agent count based on reasoning effort: 4 agents at low/medium effort, 16 agents at high/xhigh effort.

Coverage

model releaseSpaceXAI (formerly xAI)

xAI releases Grok 4.20 Multi-Agent with 2M context window and parallel agent reasoning

xAI has released Grok 4.20 Multi-Agent, a variant designed for collaborative agent-based workflows with a 2-million-token context window. The model scales from 4 agents at low/medium reasoning effort to 16 agents at high/xhigh effort levels, priced at $2 per million input tokens and $6 per million output tokens.

2 min read
grok-4-20-multi-agentxaimulti-agent