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xAI AI Updates: October 4, 2026

xai spacexai grok benchmarks cybersecurity

1. Grok 4.7 Takes First Place on the Artificial Analysis Cyber Index

SpaceXAI. Elon Musk said Grok 4.7 reached rank 1 on the Artificial Analysis Cyber Index, a cybersecurity-focused benchmark, placing it ahead of GPT-6 and Opus 5.5 in that category. Musk also acknowledged that Grok 4.7 does not match GPT-6 overall and said he expects SpaceXAI to have a GPT-6-level model in 2 to 3 months. For practitioners, the result is a narrow, single-benchmark lead that is relevant mainly to security tooling evaluations, not a general capability ranking. Source