On April 26, the National Supercomputing Internet officially launched the DeepSeek-V4 limited-time free chat service. Users only need to log in to the Supercomputing Internet Chat page to experience free real-time conversation with the DeepSeek-V4 model featuring million-token ultra-long context. The launch of this free service marks an important step for domestic open-source LLMs in terms of open access.
DeepSeek-V4 is a major open-source upgrade in the DeepSeek series, achieving million-token level in ultra-long context processing capability — important value for application scenarios requiring long-document, code repository analysis, and multi-turn complex reasoning. From technical parameters, the V4 version has done specific optimization on attention mechanism and inference efficiency under long context windows, so ultra-long input no longer comes at the cost of response speed.
Notably, DeepSeek-V4 adopts an open-source strategy. Developers can directly download the model file in the Supercomputing Internet AI community, and complete deployment on 10,000-card super-cluster systems via the FlagOS unified software stack. This open-source path provides domestic SMEs and research institutions with low-cost access to top-tier LLM capabilities, helping lower the technical threshold for AI application development.
In terms of industry impact, the National Supercomputing Internet's move isn't just a technical action to promote domestic models, but a key layout to build a domestic AI development ecosystem. Against the backdrop of increasingly fierce LLM competition, having an autonomous, controllable open-source base and low-cost access channels is crucial for the healthy development of the entire domestic AI ecosystem.