Grok 4.5 Is Here! Cheaper and 4.2x More Efficient AI

A powerful move has arrived on the price and efficiency front of the AI race! On July 8, 2026, xAI, Elon Muskโ€™s AI company now operating under the SpaceX umbrella, announced Grok 4.5, its first major model release since going public. The model is also the fruit of a collaboration with the Cursor team, and its pitch is clear: not the highest benchmark score, but the most efficient way to get work done. ...

July 8, 2026 ·  4 min ·  719 words