Grok

Grok is xAI's family of AI models, first released in November 2023. Founded by Elon Musk, xAI positions Grok as a model focused on truth-seeking and reasoning, with access to real-time information via the X (Twitter) platform. Grok-1 was partially open-sourced, but later versions are proprietary. Available via the xAI API and the X platform.