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XAI Launches Grok 4 Fast, a New Version of Grok 4 More Efficient and Fast, Which Reduces Its Price by 98% – The Observatorial

Xai has launched Grok 4 Fast an artificial intelligence model (AI) that Improves the efficiency and speed of Grok 4, By using 40 percent less average thinking tokens, and is more profitable to reduce its price by 98 percent offering the same performance as the previous model. The company specialized in the founded by the […]

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Grok 4 Fast has the same performance as its predecessor, but with fewer thinking tokens on average. A few months after the release of the Grok 4 AI model and the extremely problematic period of its chatbot, Musk's xAI is now trying to move forward with its latest AI model, reports Telegrafi. Elon Musk's xAI has announced Grok 4 Fast, which is a faster and more efficient reasoning model compared to its latest predecessor. According to xAI, Grok 4…

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xAI has launched Grok 4 Fast, an artificial intelligence model (IA) that improves the efficiency and speed of Grok 4, using 40 percent less average thought tokens, and which is more profitable by reducing its price by 98 percent by offering the same performance as the previous model.

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Elon Musks xAI has introduced an LLM with a new, smaller Grok 4 Fast model, which integrates conclusions instead of moving them into its own model, which is supposed to be particularly efficient. According to its own measurements, Grok 4 should achieve almost the same results as Grok 4, but consume an average of 40 percent less tokens.

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WebProNews broke the news in on Sunday, September 21, 2025.
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