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← Back to all updatesPublished ·xAI• Minor
xAI released Grok 4.1 Fast model support for agent tools and reduced tool pricing by 50 percent.
The read
Lowering the cost to five dollars per thousand successful calls makes high-frequency agentic loops economically viable for production scale.
The frame
This update addresses the high overhead of tool use by pairing faster inference with a significant reduction in execution costs.
Primary source
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