Definition
Plain language
xAI's family of AI models.
As stated in the literature
xAI's LLM family, evaluated here inside agent applications such as Cursor.
Also called: Grok 4, Grok 4.20, Grok 4.6
Why it matters: It's one of the handful of frontier models shaping the competitive landscape and pricing in commercial AI.
For example, Grok 4 is X's chatbot offering, integrated directly into the social network and compared on benchmarks against GPT and Claude.
Heard on the show
“5, Kimi-K2-Thinking, Grok-4, GLM-5, and a few others.”Episode 030 — Why Your AI Agent Won't Stop Working — and Each Model Falls for a Different Trap