Model
Grok 4.1 Fast Reasoning
A reasoning-oriented language model in xAI's Grok series, designed for complex tasks that require step-by-step reasoning. It is engineered to balance reasoning capability with response speed.
Timeline (last 90 days)
Sep 28
When faced with math problems requiring step-by-step reasoning, the router automatically switched to the reasoning model Grok 4.1 Fast Reasoning.
Expired50%