Introducing Grok 4.6
Aug 12, 2026Cursor

Summary
Grok 4.6 represents an incremental improvement over Grok 4.5, with a longer supplemental training run incorporating curated model-generated data for reasoning and technical concepts, high-quality engineering data, and an improved optimizer. Grok 4.5 was used to regenerate SFT trajectories for reasoning, agent harnesses, and various domains. The model was trained on a broad spectrum of agentic RL tasks, including knowledge work, general coding, and domain-specific environments. Safety features have been enhanced and calibrated.