Grok 4 Fast operates 10x faster with 2 million token context
Grok 4 Fast enters the AI arena! Elon Musk’s company introduced a revolutionary update to its flagship model. Available in early access for premium users. According to TestingCatalog, the newcomer functions 10x faster than standard Grok 4. While maintaining all advantages of the full reasoning model.
SuperGrok and X Premium Plus users can activate this new model through subscription settings by enabling “Enable early access models” option. The model remains unavailable to others for now.
Experts note the colossal context window of 2 million tokens. Which opens enormous possibilities for processing large-scale information arrays. The model generates responses literally in seconds instead of dozens of seconds required by competitors. Demonstrates particular efficiency when solving complex mathematical problems.
Parallel to launching the speed version, xAI updated the service interface. Added a Changelog section with documentation of latest improvements. From built-in calculator to video and audio generation.
The professional community is also actively discussing the connection between Grok 4 Fast and the mysterious Sonoma Sky Alpha model. Recently appeared on the Open Router platform and showed excellent results.