Update README.md

README.md

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 <img src="https://github.com/OpenBMB/MiniCPM/blob/main/assets/minicpm_logo.png?raw=true" width="500em" ></img> 
 </div>
 
+<p align="center">
+<a href="https://github.com/OpenBMB/MiniCPM/" target="_blank">GitHub Repo</a> |
+<a href="https://arxiv.org/abs/2506.07900" target="_blank">Technical Report</a> |
+<a href="https://mp.weixin.qq.com/s/KIhH2nCURBXuFXAtYRpuXg?poc_token=HBIsUWijxino8oJ5s6HcjcfXFRi0Xj2LJlxPYD9c">Join Us</a>
+</p>
+<p align="center">
+👋 Contact us in <a href="https://discord.gg/3cGQn9b3YM" target="_blank">Discord</a> and <a href="https://github.com/OpenBMB/MiniCPM/blob/main/assets/wechat.jpg" target="_blank">WeChat</a>
+</p>
+
+## What's New
+- [2025.09.05] **MiniCPM4.1** series are released! This series is a hybrid reasoning model, which can be used in
+both deep reasoning mode and non-reasoning mode. 🔥🔥🔥
+- [2025.06.06] **MiniCPM4** series are released! This model achieves ultimate efficiency improvements while maintaining optimal performance at the same scale! It can achieve over 5x generation acceleration on typical end-side chips! You can find technical report [here](https://github.com/OpenBMB/MiniCPM/tree/main/report/MiniCPM_4_Technical_Report.pdf).🔥🔥🔥
+
+## MiniCPM4 and MiniCPM4.1 Series
+MiniCPM4 and MiniCPM4.1 series are highly efficient large language models (LLMs) designed explicitly for end-side devices, which achieves this efficiency through systematic innovation in four key dimensions: model architecture, training data, training algorithms, and inference systems.
+- [MiniCPM4.1-8B](https://huggingface.co/openbmb/MiniCPM4.1-8B): The latest version of MiniCPM4, with 8B parameters, support fusion thinking. 
+- [MiniCPM4.1-8B-GPTQ](https://huggingface.co/openbmb/MiniCPM4.1-8B-GPTQ): MiniCPM4.1-8B in GPTQ format.
+- [MiniCPM4.1-8B-AutoAWQ](https://huggingface.co/openbmb/MiniCPM4.1-8B-AutoAWQ): MiniCPM4.1-8B in AutoAWQ format.
+- [MiniCPM-4.1-8B-Marlin](https://huggingface.co/openbmb/MiniCPM-4.1-8B-Marlin): MiniCPM4.1-8B in Marlin format.
+- [MiniCPM4.1-8B-GGUF](https://huggingface.co/openbmb/MiniCPM4.1-8B-GGUF): MiniCPM4.1-8B in GGUF format. (**<-- you are here**)
+- [MiniCPM4.1-8B-MLX](https://huggingface.co/openbmb/MiniCPM4.1-8B-MLX): MiniCPM4.1-8B in MLX format.
+- [MiniCPM4.1-8B-Eagle3](https://huggingface.co/openbmb/MiniCPM4.1-8B-Eagle3): Eagle3 model for MiniCPM4.1-8B.
+- **MiniCPM4 Series**
+    <details>
+    <summary>Click to expand all MiniCPM4 series models</summary>
+
+    - [**MiniCPM4-8B**](https://huggingface.co/openbmb/MiniCPM4-8B): The flagship model with 8B parameters, trained on 8T tokens
+    - [**MiniCPM4-0.5B**](https://huggingface.co/openbmb/MiniCPM4-0.5B): Lightweight version with 0.5B parameters, trained on 1T tokens
+    - [**MiniCPM4-8B-Eagle-FRSpec**](https://huggingface.co/openbmb/MiniCPM4-8B-Eagle-FRSpec): Eagle head for FRSpec, accelerating speculative inference
+    - [**MiniCPM4-8B-Eagle-FRSpec-QAT-cpmcu**](https://huggingface.co/openbmb/MiniCPM4-8B-Eagle-FRSpec-QAT-cpmcu): Eagle head with QAT for FRSpec, integrating speculation and quantization for ultra acceleration
+    - [**MiniCPM4-8B-Eagle-vLLM**](https://huggingface.co/openbmb/MiniCPM4-8B-Eagle-vLLM): Eagle head in vLLM format for speculative inference
+    - [**MiniCPM4-8B-marlin-Eagle-vLLM**](https://huggingface.co/openbmb/MiniCPM4-8B-marlin-Eagle-vLLM): Quantized Eagle head for vLLM format
+    - [**BitCPM4-0.5B**](https://huggingface.co/openbmb/BitCPM4-0.5B): Extreme ternary quantization of MiniCPM4-0.5B, achieving 90% bit width reduction
+    - [**BitCPM4-1B**](https://huggingface.co/openbmb/BitCPM4-1B): Extreme ternary quantization of MiniCPM3-1B, achieving 90% bit width reduction
+    - [**MiniCPM4-Survey**](https://huggingface.co/openbmb/MiniCPM4-Survey): Generates trustworthy, long-form survey papers from user queries
+    - [**MiniCPM4-MCP**](https://huggingface.co/openbmb/MiniCPM4-MCP): Integrates MCP tools to autonomously satisfy user requirements
+    </details>
+
+## Introduction
+MiniCPM4 and MiniCPM4.1 are extremely efficient edge-side large model that has undergone efficient optimization across four dimensions: model architecture, learning algorithms, training data, and inference systems, achieving ultimate efficiency improvements.
+
+- 🏗️ **Efficient Model Architecture:**
+  - InfLLM v2 -- Trainable Sparse Attention Mechanism: Adopts a trainable sparse attention mechanism architecture where each token only needs to compute relevance with less than 5% of tokens in 128K long text processing, significantly reducing computational overhead for long texts
+
+- 🧠 **Efficient Learning Algorithms:**
+  - Model Wind Tunnel 2.0 -- Efficient Predictable Scaling: Introduces scaling prediction methods for performance of downstream tasks, enabling more precise model training configuration search
+  - BitCPM -- Ultimate Ternary Quantization: Compresses model parameter bit-width to 3 values, achieving 90% extreme model bit-width reduction
+  - Efficient Training Engineering Optimization: Adopts FP8 low-precision computing technology combined with Multi-token Prediction training strategy
+
+- 📚 **High-Quality Training Data:**
+  - UltraClean -- High-quality Pre-training Data Filtering and Generation: Builds iterative data cleaning strategies based on efficient data verification, open-sourcing high-quality Chinese and English pre-training dataset [UltraFinweb](https://huggingface.co/datasets/openbmb/Ultra-FineWeb)
+  - UltraChat v2 -- High-quality Supervised Fine-tuning Data Generation: Constructs large-scale high-quality supervised fine-tuning datasets covering multiple dimensions including knowledge-intensive data, reasoning-intensive data, instruction-following data, long text understanding data, and tool calling data
+
+- ⚡ **Efficient Inference System:**
+  - CPM.cu -- Lightweight and Efficient CUDA Inference Framework: Integrates sparse attention, model quantization, and speculative sampling to achieve efficient prefilling and decoding
+  - ArkInfer -- Cross-platform Deployment System: Supports efficient deployment across multiple backend environments, providing flexible cross-platform adaptation capabilities
+
 ## Usage
 ### Inference with [llama.cpp](https://github.com/ggml-org/llama.cpp.git)
 ```bash