xAI recently officially launched a new model, Grok4Fast, which is available through the model selector on the Grok website. This model's greatest strength lies in its speed, with user feedback indicating it responds up to 10 times faster than the standard Grok4. Optimized for fast-response scenarios, it significantly reduces processing time for complex tasks.
For example, when a user asks for a robot SVG, Grok4Fast provides a relatively simple output, demonstrating that its design prioritizes speed over complexity. This makes it particularly well-suited for scenarios requiring immediate results, such as generating simple code, automating tasks, or obtaining factual answers. However, the model's performance is limited for creative or highly detailed requests, sacrificing depth and detail as a necessary trade-off for speed.
The launch of Grok4Fast marks the model's transition from the Sonoma beta phase to a wider release. Currently limited to early access users, it may be expanded to free users in the future, replacing the aging Grok3. xAI has also updated the changelog section of the Grok website to more transparently display its progress. As this model is about to be launched on mobile applications, its fast and practical design concept is expected to become the preferred experience for more users.