All feature descriptions are drawn from publicly available xAI plan information as of mid-2026. We do not claim any feature is permanent or exclusive beyond what public sources state.
Supported
Direct statements from official plans pages and consistent third-party summaries.
Unproven / Variable
Exact character limits, exact number of Custom Agents, precise multi-agent count, context window sizes — these can update. Check live.
Human decision
Which structures to use, how aggressive to personalize, when to upgrade.
Always open Grok → Settings and look at Plans, Usage, Custom Instructions, Projects, Memory, and Agents to confirm current capabilities on your subscription.