Grok 4.2 is expected to outperform pure compute scaling due to major architectural advancements in its underlying v7 foundation model (Grok 4 uses v6).
Elon Musk and xAI have teased “major improvements” beyond scaling, potentially including enhanced reasoning, tool integration, and efficiency, positioning it to rival or exceed GPT-5.
XAI will improve core model and the training pipeline (especially RL and multi-agent cooperative logic), Grok 4.2 aims to leap ahead on tests requiring attention, persistence, and iterative solution search.