马斯克开源Grok 2.5：中国公司才是xAI最大对手

Core Points - xAI has officially open-sourced Grok 2.5, with Grok 3 expected to be released in six months [1] - Elon Musk had previously indicated that it was time to open-source Grok, which was initially expected to happen the following week [3] - Despite the delay, the sentiment remains positive as many believe that it is better late than never [4] Summary by Sections Open Source Release - Grok can now be downloaded from HuggingFace, consisting of 42 files with a total size of approximately 500GB [5] - The official recommendation is to use SGLang to run Grok 2, with specific steps provided for downloading and setting up the model [6][7] Technical Specifications - The model requires 8 GPUs, each with over 40GB of memory, to operate effectively [8][17] - The initial setup involves downloading weight files and launching the inference server using SGLang [8] Performance Metrics - Grok 2 has shown competitive performance in various academic benchmarks, including GPQA, MMLU, and MATH, with scores that rival leading models [13] - In the LMSYS ranking, Grok 2 surpassed Claude and GPT-4 in overall Elo scores [10] Community Feedback - There are mixed reactions regarding the open-source model, particularly concerning the lack of clarity on the model's parameter weights, which are speculated to be 269 billion for the MoE model [15] - The open-source license has also drawn criticism, as it does not align with more common licenses like MIT or Apache 2.0 used by other models [15] Additional Features - Alongside the open-source release, new features have been added to the Grok APP, focusing on AI video generation [19]