{"id":"d7bc30aa-e892-42f7-a58a-e172534fec48","name":"xAI","slug":"xai","description":"xAI is the [Artificial](/companies/artificial-inc) intelligence company founded by Elon Musk, developer of the Grok large language model family. In physical AI, xAI's Grok serves as the conversational and reasoning layer of Tesla's Optimus humanoid, paired with Tesla's FSD-derived neural networks in a dual-brain architecture. The same Grok-plus-Tesla-compute pattern underpins the \"Digital Optimus\" software-agent initiative announced in 2026. Tesla announced a 2 billion dollar investment in xAI in 2026, formalizing the technology integration between Musk's AI and robotics ventures.","status":"private","founded":2023,"hq":"United States (Bay Area / Palo Alto, California)","hqLat":null,"hqLng":null,"hqGeocodedAt":"2026-08-05T14:57:09.698Z","hqAddress":null,"hqPrecision":null,"website":"x.ai","fundingTotal":null,"type":"brain","roles":["data_center_operator"],"reviewStatus":"reviewed","heatIndex":54,"lifecycleState":"active","supersededByCompanyId":null,"sources":[{"url":"https://x.ai/","title":"xAI (official) - Grok large language model family","sourceName":"xAI (official)"},{"url":"https://techcrunch.com/2026/01/28/tesla-invested-2b-in-elon-musks-xai/","title":"Tesla to invest ~$2B in Elon Musk's xAI - part of xAI's $20B Series E; announced with Tesla Q4 2025 earnings (Jan 28, 2026)","sourceName":"TechCrunch"},{"url":"https://fortune.com/2026/01/28/tesla-earnings-2-billion-xai-investment-elon-musk-ends-model-s-model-x-optimus/","title":"Tesla reveals $2B investment in xAI (Series E Preferred Stock); ties to Optimus physical-AI push (Jan 28, 2026)","sourceName":"Fortune"},{"url":"https://www.cnbc.com/2025/03/28/elon-musk-says-xai-has-acquired-x-in-deal-that-values-social-media-site-at-33-billion.html","title":"Elon Musk says xAI has acquired X in a deal valuing the site at $33B (Mar 28, 2025)","sourceName":"CNBC"},{"url":"https://www.bloomberg.com/news/articles/2025-03-28/musk-says-that-his-xai-startup-has-acquired-x-for-33-billion","title":"Musk says his xAI startup has acquired X for $33B (Mar 28, 2025)","sourceName":"Bloomberg"},{"url":"https://www.cnbc.com/2025/07/01/elon-musk-xai-raises-10-billion-in-debt-and-equity.html","title":"Elon Musk's xAI raises $10B in debt and equity (July 1, 2025)","sourceName":"CNBC"},{"url":"https://techcrunch.com/2025/07/09/elon-musks-xai-launches-grok-4-alongside-a-300-monthly-subscription/","title":"xAI launches Grok 4 alongside a $300 monthly subscription (July 9, 2025)","sourceName":"TechCrunch"},{"url":"https://techcrunch.com/2025/07/15/xai-says-it-has-fixed-grok-4s-problematic-responses/","title":"xAI says it has fixed Grok 4's problematic responses (July 15, 2025)","sourceName":"TechCrunch"},{"url":"https://x.ai/colossus","title":"Colossus: the world's largest AI supercomputer (xAI)","sourceName":"xAI (official)"},{"url":"https://techcrunch.com/2025/07/21/groks-ai-companions-drove-downloads-but-its-latest-model-is-the-one-making-money/","title":"Grok's AI companions drove downloads; latest model drives revenue (July 21, 2025)","sourceName":"TechCrunch"},{"url":"https://techcrunch.com/2026/01/29/elon-musk-spacex-tesla-xai-merger-talks-ipo-reuters/","title":"Musk's SpaceX, Tesla, and xAI reportedly in merger/IPO talks (Jan 29, 2026)","sourceName":"TechCrunch"},{"url":"https://x.com/elonmusk/status/2103329761690865846","title":"Elon Musk: Colossus 1/2 GPU inventory and Q4 GB300 ramp","sourceName":"X (@elonmusk)","publishedAt":"2026-09-24"},{"url":"https://x.com/SawyerMerritt/status/2103332409789776197","title":"Sawyer Merritt: amplifying Musk Colossus inventory post","sourceName":"X (@SawyerMerritt)","publishedAt":"2026-09-24"},{"url":"https://www.spacex.com/Mid-South","title":"SpaceX Mid-South (Colossus community / investment page)","sourceName":"SpaceX (official)","publishedAt":"2026-09-25"},{"url":"https://x.com/SawyerMerritt/status/2103515250737758442","title":"Sawyer Merritt: SpaceX Mid-South site claims (battery pack, water, substations, turbines)","sourceName":"X (@SawyerMerritt)","publishedAt":"2026-09-25"},{"url":"https://www.spacex.com/assets/sites-pages/assets/Memphis-Local-Impact-Report.pdf","title":"Memphis Local Impact Report (SpaceX Mid-South)","sourceName":"SpaceX (official PDF)","publishedAt":"2026-09-25"},{"url":"https://www.spacex.com/assets/sites-pages/assets/Southaven-Local-Impact-Report-web.pdf","title":"Southaven Local Impact Report (SpaceX Mid-South)","sourceName":"SpaceX (official PDF)","publishedAt":"2026-09-25"}],"keyFacts":[{"label":"Products","value":"Developer of the Grok large language model family."},{"label":"Tesla Optimus","value":"Grok powers the conversational layer of Tesla Optimus, confirmed by Musk in June 2025."},{"label":"Tesla investment","value":"$2 billion announced in 2026, formalizing the integration with Tesla."},{"label":"Grok in Tesla vehicles","value":"Rolled out across 2025 to 2026."},{"label":"Colossus GPUs (Musk-stated, Sep 2026)","value":"Colossus 1: 150k H100, 50k H200 and 30k GB200. Colossus 2: 110k GB200 and 440k GB300. Not independently audited."},{"label":"GB300 ramp (Musk-stated, Sep 2026)","value":"On Sep 24 2026 Musk said another 220k GB300 would be operational the next week, 220k more in November and maybe 220k by late December."},{"label":"Colossus II battery (company-stated, Sep 2026)","value":"A 3.3 GWh grid-connected battery pack, enough to power Memphis about 2 hours, per SpaceX's Mid-South page."},{"label":"Mid-South commitments (company-stated, Sep 2026)","value":"Over $90B regional investment, 7,500+ local jobs, a $360M water recycling plant (up to 10M gal/day) and $35M/$20M Memphis substations."},{"label":"Turbine removal (company-stated)","value":"Temporary turbines to be removed by July 2027 under a Mississippi DEQ agreed order."}],"aliases":["xAI","x.ai","X.AI"],"collisionRisk":"low","reviewNote":null,"atsProvider":null,"atsSlug":null,"factoryLocations":null,"manufacturingCapacity":null,"orgType":null,"burnSignal":null,"litigationEvents":null,"insurancePostureDisclosed":null,"unitEconomicsDisclosed":null,"tickerSymbol":null,"stockExchange":null,"secCik":null,"revenueUsd":null,"revenueBasis":null,"revenueAsOf":null,"employeeCount":null,"employeeCountBasis":null,"employeeCountAsOf":null,"marketCapUsd":null,"marketCapAsOf":null,"marketCapSource":null,"createdAt":"2026-05-28T14:48:39.053Z","updatedAt":"2026-10-10T03:55:12.456Z","jsonLd":{"@context":"https://schema.org","@type":"Organization","@id":"https://registry.deploy.report/companies/xai","url":"https://registry.deploy.report/companies/xai","name":"xAI","alternateName":["xAI","x.ai","X.AI"],"description":"xAI is the [Artificial](/companies/artificial-inc) intelligence company founded by Elon Musk, developer of the Grok large language model family. 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