xAI AI Updates: July 25, 2026

1. Grok arrives in Google Workspace as a free add-on

xAI. xAI added Grok to Google Sheets, Slides, and Docs through a free add-on. In Sheets the assistant can answer questions from a spreadsheet directly and cite the specific cells it used, and it can help draft presentations in Slides from a simple outline. Source

2. Workflows land in Grok Build

xAI. Grok Build gained workflow capabilities that let a single task fan out across hundreds of parallel agents, with result verification and a consolidated report at the end. The release also includes a built-in /deep-research command for producing cited investigations inside the coding agent. Source

3. Speech to Text gains an adjustable VAD threshold

xAI. The Speech to Text API added a vad_threshold parameter that lets developers tune the voice-activity gate used to skip non-speech audio. The control is aimed at improving transcription accuracy across noisier or more variable audio environments. Source