{"id":"clm_3F76E3271EAD","entity":"grok-for-excel","predicate":"developer","value":"xAI","value_json":{"feed":"xai-news","item":"https://x.ai/news/introducing-excel-addin","note":"Search results show xAI released Grok for Excel on 2026-07-20 as a Microsoft 365 add-in, and I found nothing showing a change of developer. I did not open the source page, so this rests on the search ","check":{"on":"2026-10-30","url":"https://www.buildfastwithai.com/blogs/grok-for-excel-how-to-install-it-2026-guide","pages":2,"quote":"Grok for Excel is a free Microsoft 365 add-in from xAI, launched July 20, 2026, that embeds Grok 4.5 into Excel as a docked side panel.","outcome":"checked"},"verdict":"confirmed","verified":"2026-10-28","extracted_by":"claude-haiku-5-5"},"valid_from":"2026-07-20","valid_to":null,"published":"2026-07-20","recorded":"2026-10-28","confidence":0.8,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-28T00:33:35.946214+00:00","updated_at":"2026-10-30T19:47:26.058857+00:00","sources":[{"url":"https://x.ai/news/introducing-excel-addin","tier":"primary","publisher":"xAI","published_at":"2026-07-20T00:00:00+00:00"},{"url":"https://www.buildfastwithai.com/blogs/grok-for-excel-how-to-install-it-2026-guide","tier":"secondary","publisher":"buildfastwithai.com","published_at":null}],"evidence":{"by":"page-read","on":"2026-10-30","quote":"Grok for Excel is a free Microsoft 365 add-in from xAI, launched July 20, 2026, that embeds Grok 4.5 into Excel as a docked side panel.","url":"https://www.buildfastwithai.com/blogs/grok-for-excel-how-to-install-it-2026-guide"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}