grok xhigh series

Each model's score on the Intelligence board (Text arena) on the last day it was listed

1. grok-4.7-xhighNo longer on the boardsReleased Sep 22, 20261,444#89

• Nov 102026AI modelsElon Musk: Grok 4.8 is in RL and rebuilt from scratch in C/C++
• Nov 32026AI toolsGrok Bot is turning into a shopping assistant
• Oct 312026AI modelsxAI adds invisible watermarks to Grok outputs
• Oct 302026IndustryNeuralink connects brains directly to Grok
• Oct 172026IndustryThe web is locking out AI agents
• Oct 122026AI toolsxAI bundles Grok, Cursor, and X into one subscription