Glossary · Term

Grok

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Definition

Plain language

xAI's family of large language models.

As stated in the literature

xAI's series of foundation models, including Grok 4 and 4.20.

Also called: Grok 4, Grok 4.20

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

“The M-M-R paper draws thirty-eight refusals out of three hundred, and two models — Claude Sonnet 5 and Grok 4.”
Episode 240 — Frontier Models Designed Follow-Ups To Fraudulent Papers 93% Of The Time

Mentioned in 12 episodes

  1. 240
    Frontier Models Designed Follow-Ups To Fraudulent Papers 93% Of The Time
  2. 229
    One Word Flips a Chatbot From Backbone to Yes-Man
  3. 228
    Same Chatbot, Two Doors: Why 'Grok's Opinion' Doesn't Exist
  4. 223
    When Grok Graded Its Own Encyclopedia And Marked Itself Down
  5. 219
    Forty-Four AI Models, One Word, And The Newest Ones Conform Most
  6. 123
    Five Identical Worlds, One Swapped Model: What Happens When AI Agents Run for Fifteen Days
  7. 087
    When No Agent Reads the Whole Document: A Universal Cliff in Multi-Agent Review
  8. 072
    A Robot Made Graphene Without Help, And Caught Itself Hallucinating
  9. 069
    When Smarter Models Forecast Worse: The Hidden Failure Mode in LLM Predictions
  10. 061
    When Helpful Agents Go Sideways: A 404 Error, Campus Security, and Why Alignment Misses This
  11. 045
    When a Frontier Model Talks Its Own Twin Into Climate Denial
  12. 030
    Why Your AI Agent Won't Stop Working — and Each Model Falls for a Different Trap