Core Viewpoint - The newly released MiniCPM4.0 model series, featuring 8B and 0.5B parameter scales, significantly enhances edge-side performance and adaptability for various terminal scenarios [1][6]. Model Performance - MiniCPM4.0-8B is the first native sparse model with a 5% sparsity, achieving performance comparable to Qwen-3-8B while using only 22% of the training cost [2][4]. - In benchmark tests like MMLU, CEval, and HumanEval, MiniCPM4.0-0.5B outperforms similar models such as Qwen-3-0.6B and Llama 3.2, achieving a rapid inference speed of 600 Token/s [4][6]. Technological Innovations - The model employs a new context-sparse architecture that allows for a 5x speed increase in long text inference and up to 220x in memory-constrained scenarios [6][8]. - MiniCPM4.0 reduces long text cache requirements to just 1/4 of that needed by Qwen3-8B, achieving a 90% model size reduction while maintaining robust performance [8][10]. Model Architecture - The InfLLMv2 sparse attention architecture allows for efficient "sampling" of relevant text segments, reducing computational costs by 90% compared to traditional models [14][15]. - The model features a dual-frequency switching mechanism that optimizes attention modes for long and short texts, enhancing efficiency and accuracy [17]. Deployment and Adaptation - MiniCPM4.0 has been adapted for major chip platforms including Intel, Qualcomm, and Huawei Ascend, and supports various open-source frameworks [10][24]. - The ArkInfer cross-platform deployment framework addresses the challenges of chip fragmentation, providing a versatile solution for model deployment [25]. Data and Training Innovations - The company utilizes a high-density data selection mechanism to construct high-quality datasets, achieving a 90% reduction in validation costs [28][29]. - The training strategy incorporates advanced techniques like FP8 training and chunk-wise rollout to optimize GPU resource utilization [30].

Core Insights - The fourth generation of the "MiniCPM" model, known as MiniCPM 4.0, has been released, featuring two parameter scales: 8B and 0.5B, achieving the best performance in its class [2][3] - MiniCPM 4.0-8B model utilizes a sparse attention mechanism, demonstrating performance comparable to Qwen-3-8B while requiring only 22% of the training cost [2][4] - The model achieves a remarkable inference speed of 600 Token/s, with a 220x acceleration in extreme scenarios, significantly enhancing long text processing capabilities [2][3] Performance and Architecture - MiniCPM 4.0 offers a 5x acceleration in long text inference speed compared to similar models like Qwen-3-8B and Llama-3-8B, with a maximum acceleration of 220x under memory-constrained conditions [3][4] - The model's architecture, InfLLMv2, reduces the sparsity from the industry standard of 40%-50% to just 5%, allowing for efficient long text calculations with only 1/10 of the computational load [4] - In terms of memory usage, MiniCPM 4.0-8B requires only 1/4 of the cache storage space compared to Qwen3-8B for 128K long text scenarios, indicating significant model compression and efficiency [4] Applications and Market Impact - Based on the 8B version, the company has fine-tuned two specific capability models for use as MCP Client and a research tool, MiniCPM4-Surve, which competes with Deep Research [5] - The MiniCPM series has achieved over 10 million downloads across all platforms, indicating strong market interest and adoption [5]