Model releaseCritical global significanceConfirmed confidence
xAI releases Grok 4.6
xAI releases Grok 4.6 for long-running agents, coding and knowledge work, with a 500K-token context window.
What happened
Event details
xAI released Grok 4.6 on August 12, 2026. Its launch page emphasizes long-running agents and more ambitious interactive and visual work, while developer documentation provides grok-4.6 API examples and lists a 500K-token context window.
Assessment
Why it matters
xAI's next-generation frontier model covers long-running agents, coding, knowledge work and interactive visual tasks, while expanding its ecosystem through APIs and partner platforms.
89/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.
Availability
Access notes
Available through the xAI API, Grok Build, Cursor and partner model gateways.