Recently, Stepfun, a leading domestic AI large model company, officially launched the new Step 3.5 Flash series model. This move marks that domestic large models are moving towards faster response times and lower inference costs while pursuing ultra-high performance.

All Step Plan users have been granted access to experience this series model. As a new member of the Step 3.5 family, the Flash series has been deeply optimized for mobile devices and high-frequency interaction scenarios, while maintaining core logical understanding capabilities.

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Double Leap in Performance and Speed: Millisecond-Level Interaction That Understands Users Better

The core advantage of the Step 3.5 Flash series lies in its incredible reasoning speed and outstanding multimodal processing capabilities. In testing, the model can achieve millisecond-level text generation and semantic analysis, greatly reducing the waiting time in human-computer interactions and improving overall user experience.

In addition to its speed advantage, this series model also performs remarkably well in visual understanding and long-text analysis. Whether it is analyzing complex business charts or processing ten-thousand-word texts, the Flash series can provide accurate summaries and feedback in an extremely short time, truly achieving "fast and accurate."

Full API Access Opened: Supporting Large Model Application Scalability

To enable more developers and enterprises to benefit, Stepfun has simultaneously opened the API interface for Step 3.5 Flash. With a highly competitive pricing strategy, this series significantly reduces enterprise computing costs, offering a better choice for intelligent customer service, real-time translation, and content automation creation.