Model Updates - Imagine v0.9 is a new video generation model with significant improvements over v0.1 [1] - Upgrades include visual quality, motion, and audio generation [1] Product Availability - Imagine v0.9 is now available for free across all products [1]

https://t.co/YlQX1NSbSR ...

https://t.co/CPg7S8vOYc ...

Government AI Expansion - xAI expands its services to the United States Federal Government [1] - All federal agencies and departments gain access to Frontier AI models (Grok 4, Grok 4 Fast) [1] Pricing and Commitment - The cost is $0.42 per department for 18 months [1] - xAI commits a team of Grok Engineers to assist the government in utilizing AI [2] Team Growth - xAI is expanding its team and hiring engineers [2]

Grok 4 Fast is available now for all users in https://t.co/JdhapjnyIO, https://t.co/HZMD9C7lsf, iOS and Android apps in Fast and Auto modes.All users, including free users, will have access to our latest model without restrictions, marking a significant step toward democratizing advanced AI. ...

Pricing & Availability - Grok 4 Fast is temporarily FREE on OpenRouter and Vercel AI Gateway [1] - Grok 4 Fast is generally available via the xAI API [1] - xAI API pricing starts at $0.20 per 1 million input tokens [1] - xAI API pricing starts at $0.50 per 1 million output tokens [1]

We’d love to hear your feedback on Grok 4 Fast. The team will be incorporating your responses into continuous model upgrades, so please be vocal on X.If you want to push the limits of reasoning efficiency, please join us! https://t.co/Pn19i7sAOx ...

We partnered with @lmarena_ai to evaluate Grok 4 Fast on both Search and Text Arena, achieving #1 and #8 respectively. https://t.co/jFmGfJUKpZ ...

Grok 4 Fast sets a new record on the Pareto Intelligence frontier as reported by @ArtificialAnlys. https://t.co/zPJrmiKu4Y ...

Introducing Grok 4 Fast, a multimodal reasoning model with a 2M context window that sets a new standard for cost-efficient intelligence.Available for free on https://t.co/AnXpIEOhOD, https://t.co/53pltypvkw, iOS and Android apps, and OpenRouter.https://t.co/3YZ1yVwueV ...