The Archive

xAI launches voice cloning and voice library management features for Grok API, enabling custom branded voice synthesis from short audio samples.

Elon Musk officially began his testimony in the trial he has brought against OpenAI CEO Sam Altman and company president Greg Brockman. The three were on the initial founding team of OpenAI, with Musk investing up to $38 million early on before the co-founders' relationship soured over disagreements over company structure and mission, including whether or not OpenAI should be folded into Musk-owned Tesla. Musk walked away and, years later, founded xAI - his own direct competitor to OpenAI, which is now owned by Musk's SpaceX. In recent years, Musk has filed no less than four different lawsuit...

Google has signed a classified deal that allows the US Department of Defense to use its AI models for "any lawful government purpose," The Information reports. The agreement was reported less than a day after Google employees demanded CEO Sundar Pichai block the Pentagon from using its AI amid concerns that it would be used in "inhumane or extremely harmful ways." If the agreement is confirmed, it would place Google alongside OpenAI and xAI, which have also made classified AI deals with the US government. Anthropic was also among that list until it was blacklisted by the Pentagon for refusing...

Commentary on xAI/Musk's delay in open-sourcing Grok 3, questioning gap between stated and actual open-source commitment.

Human-centered audit of eight Shapley value variants in high-stakes risk workflows reveals misalignment with practical utility.

Plants from OpenAI, Meta, xAI, and Microsoft could emit more than 129M tons annually.

xAI releases Grok Voice Think Fast 1.0, a voice agent API for real-time conversational AI applications.

Commentary on Apple's John Ternus appointment and its implications for hardware-AI strategy, with tangential reference to SpaceX-Cursor partnership.

OpenAI launches GPT-Image-2; Cursor secures $10B contract with xAI and $60B acquisition option.

With an IPO looming for Elon Musk's SpaceX / xAI / X combo platter of companies, SpaceX has announced an odd arrangement to either acquire the automated programming platform Cursor for $60 billion or pay a fee of $10 billion. Buying this startup that's focused on AI coding could help xAI's tools compete with market leader Anthropic, as well as the other competitors. A report by The Information this week said Sergey Brin has directed Google's "strike team" to help its agentic AI tools catch up, while Sam Altman reportedly declared a "code red" at OpenAI last year before shutting down Sora to f...

PREF-XAI framework learns user-preference-based personalized rule explanations for black-box ML models with principled preference modeling.

xAI launches Grok speech-to-text and text-to-speech APIs with multilingual support and simple pricing model.

Reddit commentary on Meta Muse Spark ranking 4th on Artificial Analysis Index; notes competitive market among Google, Anthropic, OpenAI, Meta, xAI.

SpaceX acquires xAI, consolidating AI development with rocket/hardware infrastructure.

xAI raises $20B Series E to accelerate frontier AI development.

US Department of War selects xAI to deliver frontier AI systems.

Grok Collections API provides RAG functionality integrated into xAI's API.

xAI partners with El Salvador government on nationwide AI education initiative.

xAI expands to Saudi Arabia via HUMAIN partnership for global Grok deployment.

xAI releases Grok 4.1 to all users across web, X platform, and mobile apps.

xAI expands government AI offering through GSA OneGov partnership for federal agencies.

xAI introduces Grok 4 Fast, a cost-efficient reasoning model optimized for speed.

xAI releases grok-code-fast-1, a lightweight agentic coding model for cost-efficient code generation.

xAI launches xAI for Government, a suite of frontier AI products for US Federal Government customers.

xAI releases Grok 4 with native tool use and real-time search; introduces SuperGrok Heavy tier with Grok 4 Heavy.

xAI unveils early preview of Grok 3, emphasizing advanced reasoning and agentic capabilities.

xAI raises $6B Series C led by A16Z, Blackrock, Sequoia with participation from major institutional investors.

xAI improves Grok with faster speed, enhanced reasoning, and multilingual support across X platform.

xAI integrates Aurora, an autoregressive image generation model, into Grok on X platform.

xAI releases Grok-2 and Grok-2 mini models, expanding its foundation model lineup.