Releases

SpaceXAI launched voice cloning from short recordings for text-to-speech and voice-agent APIs.

SpaceXAI released its first named Think Fast speech-to-speech voice-agent model.

SpaceXAI announced its speech-to-text and text-to-speech APIs with multilingual support and developer pricing.

SpaceXAI launched batch and streaming speech transcription in 25 languages.

SpaceXAI made its natural-sounding text-to-speech API generally available.

SpaceXAI released Grok 4.20 and a multi-agent variant through its platform.

SpaceX acquired X.AI Holdings in an all-stock merger. Reporting tied to the transaction valued xAI at about $250 billion and SpaceX at $1 trillion, implying a combined $1.25 trillion value.

xAI launched next-generation image and video generation through the Grok Imagine API, alongside a Batch API for high-volume workloads.

xAI closed an upsized $20 billion Series E, above its $15 billion target; contemporaneous reporting placed the company’s valuation at more than $230 billion.

xAI published its frontier-AI risk-management framework covering capability evaluation, safeguards and model development practices.

xAI launched secure team and enterprise Grok plans with no training on customer data, team administration, SSO and SCIM options.

xAI launched an expanded production Collections API for retrieval-augmented generation directly within the Grok API.

xAI announced selection to deliver frontier AI capabilities for the U.S. Department of War.

xAI launched its Voice Agent API for developers building real-time conversational voice systems.

xAI and El Salvador announced a nationwide AI education program using Grok in the country’s schools.

xAI signed a framework agreement with Saudi Arabia and HUMAIN covering Grok deployment, agent-platform integration and AI infrastructure.

xAI released Grok 4.1 Fast and an Agent Tools API with X search, web search, code execution and collections search.

xAI released Grok 4.1 across grok.com, X, iOS and Android with improvements to creative, emotional and collaborative interactions.

xAI launched Grokipedia, an AI-assisted encyclopedia and knowledge reference product.

xAI made web search, X search and code execution tools generally available through its API.

xAI expanded its government offering through GSA OneGov, making Grok reasoning models available to U.S. federal employees at negotiated pricing.

xAI released Grok 4 Fast with a 2M-token context window, unified reasoning modes and lower-cost agentic search.

xAI made its stateful Responses API generally available.

xAI released a speedy and economical reasoning model optimized for agentic coding.

xAI and X filed a U.S. federal antitrust suit alleging that Apple and OpenAI conspired to disadvantage rival generative-AI products and Grok in App Store distribution.