We built Grok Code Fast 1 from scratch, starting with a brand-new lightweight model architecture. Combined with novel improvements to accelerate serving efficiency, Grok Code Fast 1 sets a new standard for both speed and affordability.
@xai
-
xAI Model API Pricing: $0.20 per Million Input Tokens
By
–
The model is generally available via the xAI API, priced at $0.20 / 1M input tokens, $1.50 / 1M output tokens, and $0.02 / 1M cached tokens.
-
Grok Code Fast 1: New Fast, Economic Reasoning Model for Coding
By
–
Introducing Grok Code Fast 1, a speedy and economical reasoning model that excels at agentic coding. Now available for free on GitHub Copilot, Cursor, Cline, Kilo Code, Roo Code, opencode, and Windsurf.
-
Grok 4 Now Free Worldwide with Auto and Expert Modes
By
–
Grok 4 is now free for all users worldwide!
— xAI (@xai) 10 août 2025
Simply use Auto mode, and Grok will route complex queries to Grok 4. Prefer control? Choose "Expert" anytime to always use Grok 4.
For a limited time, we are rolling out generous usage limits so you can explore Grok 4’s full… pic.twitter.com/VW1Pn3ivkeGrok 4 is now free for all users worldwide! Simply use Auto mode, and Grok will route complex queries to Grok 4. Prefer control? Choose "Expert" anytime to always use Grok 4. For a limited time, we are rolling out generous usage limits so you can explore Grok 4’s full
-
Grok 4 Enhances PDF Processing Capabilities for All Users
By
–
We've upgraded Grok 4's PDF processing abilities: 1. Grok can now seamlessly handle massive PDFs – hundreds of pages and beyond!
2. Grok has a better understanding of the PDF content through sharper recognition capabilities. Grok's PDF upgrades are now live for all our users on -
xAI Commits to EU AI Act Safety Code of Practice
By
–
xAI supports AI safety and will be signing the EU AI Act’s Code of Practice Chapter on Safety and Security. While the AI Act and the Code have a portion that promotes AI safety, its other parts contain requirements that are profoundly detrimental to innovation and its copyright
-
xAI partners with Kalshi to integrate Grok into prediction markets
By
–
Effective immediately, Kalshi and xAI are partnering to bring Grok to prediction markets.
— xAI (@xai) 24 juillet 2025
Two of the fastest growing companies in America are now on the same team.@xAI 🤝 @Kalshi pic.twitter.com/MCh5eQd906Effective immediately, Kalshi and xAI are partnering to bring Grok to prediction markets. Two of the fastest growing companies in America are now on the same team. @xAI @Kalshi
-
White House Removes Regulatory Barriers for AI Innovation
By
–
Today’s announcement by the White House is a positive step toward removing regulatory barriers and enabling even faster innovation for the benefit of Americans and for humanity as a whole. We are pleased to see the White House prioritize AI innovation.
-
xAI Increases Grok 4 API Rate Limits Amid Overwhelming Demand
By
–
We’re thrilled by the overwhelming demand for Grok 4 through the xAI API. To support our API customers, we’ve increased the default rate limits for Grok 4. Happy building!
-
Grok 4 Internet Search Issue Mitigated Quickly
By
–
We spotted a couple of issues with Grok 4 recently that we immediately investigated & mitigated. One was that if you ask it "What is your surname?" it doesn't have one so it searches the internet leading to undesirable results, such as when its searches picked up a viral meme