https://www.nextaimodel.com/lines/xai-grok-fast Every new release in xAI's Grok Fast line, from Next AI Model. Newest 20 releases. en Sat, 24 Oct 2026 17:12:56 GMT https://www.nextaimodel.com/models/grok-4-1-fast https://www.nextaimodel.com/models/grok-4-1-fast Wed, 19 Nov 2025 12:00:00 GMT xAI xAI · Grok Fast line · released November 19, 2025. https://www.nextaimodel.com/models/grok-4-fast https://www.nextaimodel.com/models/grok-4-fast Fri, 19 Sep 2025 12:00:00 GMT xAI xAI · Grok Fast line · released September 19, 2025.