
xAI Launches Grok 4 Fast: A Cost-Effective AI Model
News Summary
Elon Musk’s xAI has launched Grok 4 Fast, an updated AI system designed to operate more efficiently and cost-effectively. This new model uses 40% fewer tokens while maintaining similar accuracy to its predecessor, Grok 4, and is up to 47 times cheaper than competitors like GPT-5 and Anthropic’s Claude. Grok 4 Fast can perform real-time web searches, enhancing its ability to provide up-to-date information. It is available to all users, including those on free plans, on various platforms such as iOS, Android, OpenRouter, and Vercel AI Gateway. The model is priced at approximately $0.20 per million input tokens and $0.50 per million output tokens, making it one of the most affordable advanced AI models on the market.




