Public beta multi-agent Grok release
xAI's public beta multi-agent Grok release, documented on xAI as grok-4.20-multi-agent-0309 with beta aliases; it supports text and image inputs to text output, function calling, structured outputs, reasoning, and a 2,000,000-token context window.
No official, first-party pricing found for 'Grok 4.2 Beta'; prices reflect the closest Grok 4.20 Beta listing for multimodal API use. The 'Beta' model may only be available to consumer users or as a public test, not a separate API SKU.
Pricing is inferred from the closest Grok 4.20 Beta model in xAI's docs; there is no official, public per-token pricing for 'Grok 4.2 Beta'.