grok-4-1-fastGrok 4.1 Fast is a Grok-family AI model, from xAI, released Nov 19, 2025.
Scores on standardized evaluations. Higher is better — and rank shows where Grok 4.1 Fast lands among all models tracked on Model Beat.
Common-sense trick questions
Human-rated web development
Multi-step agentic tasks
Model & benchmark data from Epoch AI (CC BY); pricing, specs & descriptions from OpenRouter.