Rate of improvement is accelerating. Users should notice a meaningful improvement in the usefulness of the Grok Build harness with our V9 fo…

Rate of improvement is accelerating. Users should notice a meaningful improvement in the usefulness of the Grok Build harness with our V9 foundation model (aka Grok 4.5) every week. Grok 4.5. Pareto dominant for coding by the numbers. We will see on the all-important vibes. Instinct is the benchmarks are likely directionally accurate given the stated focus on real world utility.

Source: Elon Musk (X) | 2026-07-08