xAI Releases Grok 4.6 Model Card

Lee Rob announced on August 12, 2026, that xAI has released the model card for Grok 4.6.

We’ve released the model card for Grok 4.6! It goes in-depth on the capabilities of the model across many different evals for coding, engineering, knowledge work, and more. We also discuss pre-deployment safety testing and our safeguard stack.

What was announced

• Release of the Grok 4.6 model card.
• Coverage of model capabilities on evaluations for coding, engineering, and knowledge work.
• Discussion of pre-deployment safety testing and the safeguard stack.

Context

Grok refers to xAI’s series of AI models. Model cards are standard documents that describe an AI model’s performance and testing.

Limits of this report

This article reports only the announcement itself and does not include any specific evaluation results, benchmarks, or details from the linked model card.

Source

@leerob on X, August 12, 2026: https://x.com/leerob/status/2087640149442404584