openbmb / MiniCPM4.1-8B-GGUF

GitHub Repo | Technical Report | Join Us

👋 Contact us in Discord and WeChat

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 .🔥🔥🔥

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 : The latest version of MiniCPM4, with 8B parameters, support fusion thinking.
• MiniCPM4.1-8B-GPTQ : MiniCPM4.1-8B in GPTQ format.
• MiniCPM4.1-8B-AutoAWQ : MiniCPM4.1-8B in AutoAWQ format.
• MiniCPM-4.1-8B-Marlin : MiniCPM4.1-8B in Marlin format.
• MiniCPM4.1-8B-GGUF : MiniCPM4.1-8B in GGUF format. ( <-- you are here )
• MiniCPM4.1-8B-MLX : MiniCPM4.1-8B in MLX format.
• MiniCPM4.1-8B-Eagle3 : Eagle3 model for MiniCPM4.1-8B.
• MiniCPM4 Series
  Click to expand all MiniCPM4 series models

  • MiniCPM4-8B : The flagship model with 8B parameters, trained on 8T tokens
  • MiniCPM4-0.5B : Lightweight version with 0.5B parameters, trained on 1T tokens
  • MiniCPM4-8B-Eagle-FRSpec : Eagle head for FRSpec, accelerating speculative inference
  • MiniCPM4-8B-Eagle-FRSpec-QAT-cpmcu : Eagle head with QAT for FRSpec, integrating speculation and quantization for ultra acceleration
  • MiniCPM4-8B-Eagle-vLLM : Eagle head in vLLM format for speculative inference
  • MiniCPM4-8B-marlin-Eagle-vLLM : Quantized Eagle head for vLLM format
  • BitCPM4-0.5B : Extreme ternary quantization of MiniCPM4-0.5B, achieving 90% bit width reduction
  • BitCPM4-1B : Extreme ternary quantization of MiniCPM3-1B, achieving 90% bit width reduction
  • MiniCPM4-Survey : Generates trustworthy, long-form survey papers from user queries
  • MiniCPM4-MCP : Integrates MCP tools to autonomously satisfy user requirements

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
  • 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

# case 1: main-cli
./build/bin/llama-cli -m MiniCPM4.1-8B-Q4_K_M.gguf -p "北京有什么好玩的地方？" -n 1500

# case 2: server
## launch server
./build/bin/llama-server -m MiniCPM4.1-8B-Q4_K_M.gguf --host 127.0.0.1 --port 8080 -c 4096 -fa on &

## send request
curl -X POST http://127.0.0.1:8080/v1/chat/completions \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-3.5-turbo",
    "messages": [{"role": "user", "content": "北京有什么好玩的地方？"}],
    "max_tokens": 1500
  }'