xAI · LLM
Grok 4
xAI's Grok 4 reasoning flagship.
Capabilities
- ▸reasoning
- ▸tool use
Use cases
assistants · analysis
Lineage
View the full Grok lineage →AI research assistant
Free · open modelsAsk about Grok 4
Sources & verification
Information is compiled from official announcements, documentation and reputable industry coverage.
Last verified Aug 9, 2026