{
  "$schema": "https://modeldeprecations.dev/api/v1/schema.json",
  "provider": "xai",
  "model": "grok-4.20-multi-agent-0309",
  "name": "Grok 4.20 Multi-Agent",
  "aliases": [],
  "description": "xAI's heavy tier, running several agents over the same problem and reconciling their answers inside one API call. It is the descendant of Grok 4 Heavy, which never got an API id at all - this is the first time that mode has been callable rather than being a consumer subscription feature.",
  "status": "active",
  "replacements": [],
  "sources": [
    {
      "url": "https://docs.x.ai/developers/models",
      "title": "xAI models and pricing",
      "accessed": "2026-08-03"
    }
  ],
  "last_verified": "2026-08-03",
  "computed_status": "active",
  "asOf": "2026-08-03"
}
