Releases
121 matching — model launches, API releases, product updates, financial events and news.
February 20253
Feb 10, 2025
xAI-led consortium offers $97.4B for OpenAI nonprofitCancelledAcquisition
A consortium led by xAI submitted an unsolicited $97.4 billion offer for the nonprofit controlling OpenAI; the proposal was rejected and did not proceed.
Feb 4, 2025Standalone Grok Android app launchesProduct launch
xAI released the standalone Grok app for Android.
Feb 2025Colossus 1 expands to 200,000 GPUsEvent
xAI completed the second phase of Colossus 1, doubling the interconnected cluster to roughly 200,000 NVIDIA H100/H200 GPUs.
January 20251
Jan 9, 2025Standalone Grok iOS app launchesProduct launch
xAI launched the standalone Grok app in beta on Apple’s App Store, extending Grok beyond X.
December 20243
Dec 23, 2024xAI closes $6B Series C at about $45B valuationFunding round
xAI closed a $6 billion Series C backed by major institutional and sovereign investors; regulatory reporting indicated an approximately $45 billion post-money valuation.
Dec 12, 2024Grok becomes available to all X usersFeature update
xAI expanded Grok access beyond paid tiers to everyone on X, alongside speed and multilingual improvements.
Dec 9, 2024Aurora image generation launches in GrokModel release
xAI launched the autoregressive Aurora image-generation model on X, adding photorealistic generation and multimodal image input.
November 20241
Nov 4, 2024xAI API enters public betaAPI release
xAI opened public API access to Grok foundation models with OpenAI- and Anthropic-compatible interfaces.
September 20241
Sep 2, 2024Colossus 1 brought online with 100,000 H100 GPUsEvent
xAI brought its Memphis Colossus training cluster online with 100,000 NVIDIA H100 GPUs after a 122-day build.
August 20241
Aug 13, 2024Grok-2 and Grok-2 mini beta releasedModel release
xAI released Grok-2 and Grok-2 mini in beta on X and announced enterprise API availability.
May 20242
May 26, 2024xAI closes $6B Series B at $24B post-money valuationFunding round
xAI raised $6 billion from investors including Valor Equity Partners, Vy Capital, Andreessen Horowitz, Sequoia Capital and Fidelity; Reuters reported a $24 billion post-money valuation.
May 15, 2024Grok-1.5 becomes available on XModel update
Grok-1.5 rolled out to Grok users on X.
April 20241
Apr 12, 2024Grok-1.5V preview announcedModel release
xAI previewed its first multimodal model, adding understanding of documents, diagrams, charts, screenshots and photographs.
March 20242
Mar 28, 2024Grok-1.5 announcedModel release
xAI announced Grok-1.5 with improved reasoning and a 128,000-token context window.
Mar 17, 2024Grok-1 weights and architecture releasedOpen weights
xAI released the 314B-parameter Grok-1 base weights and Mixture-of-Experts architecture under Apache 2.0.
December 20231
Dec 7, 2023Grok launches on XProduct launch
Grok became available to users through the X platform.
November 20233
Nov 15, 2023Early Grok API access beginsAPI release
xAI began early API access for Grok developers ahead of the later public beta.
Nov 6, 2023PromptIDE announcedProduct launch
xAI launched PromptIDE for prompt engineering and interpretability research on Grok-1.
Nov 3, 2023Grok-1 and Grok announcedModel release
xAI announced Grok and its first public model after two months of training, with real-time knowledge through X.
August 20231
Aug 18, 2023Grok-0 research prototype completedModel release
xAI completed Grok-0, a 33-billion-parameter research prototype that preceded the first public Grok model.
July 20231
Jul 12, 2023xAI company announcedEvent
Elon Musk and the founding team publicly announced xAI with a mission to understand the true nature of the universe.