Inference Framework Overview
The Industry AI Model Platform supports a variety of inference frameworks covering text generation, image generation, text-to-speech, and video generation tasks. This page introduces the core features and use cases of each framework to help you choose the right one for your needs.
Text Generation Frameworks
vLLM
vLLM is a high-performance LLM inference engine that uses PagedAttention to efficiently manage KV Cache memory and significantly improve inference throughput.
Key Features:
- PagedAttention: Paged memory management for attention caches, greatly reducing VRAM waste
- CUDA/HIP Graph Execution: Accelerates inference computation and reduces kernel launch overhead
- Quantization Support: GPTQ, AWQ, INT4, INT8, FP8 quantization formats
- FlashAttention Integration: Speeds up attention computation and reduces VRAM usage
- Multi-Platform: Compatible with NVIDIA, AMD, Intel GPUs and TPUs
Best For: High-throughput, large-scale online inference services.
SGLang
SGLang is an efficient inference framework for LLMs and vision-language models, optimized for structured generation and multimodal inference.
Key Features:
- RadixAttention: Prefix-tree-based attention caching with automatic common prefix reuse
- Jump-Forward Constrained Decoding: Accelerates structured output generation (JSON, regex, etc.)
- Zero-Overhead CPU Scheduling: Eliminates CPU scheduling bottlenecks, maximizing GPU utilization
- Broad Model Support: Llama, Gemma, Mistral, QWen, DeepSeek, LLaVA, and more
Best For: Multimodal inference, structured generation, complex prompt engineering.
TGI (Text Generation Inference)
TGI is Hugging Face's production-grade text generation inference server, designed for low-latency, high-reliability scenarios.
Key Features:
- Tensor Parallelism: Multi-GPU distributed inference for very large models
- Token Streaming: Server-Sent Events (SSE) based streaming responses
- Continuous Batching: Dynamically merges request batches to improve GPU utilization
- OpenTelemetry Tracing: Distributed tracing for performance diagnostics
- Prometheus Metrics: Built-in metrics export for monitoring and alerting
Best For: Production low-latency inference services.
Links: GitHub
llama.cpp
llama.cpp is a lightweight inference engine implemented in pure C/C++ that can run LLMs without a GPU.
Key Features:
- Pure C++ Implementation: Highly optimized inference code with minimal resource footprint
- Cross-Platform: Runs on Windows, Linux, and macOS
- Lightweight Deployment: No CUDA or Python environment dependencies required
- GGUF Quantization Format: Multiple quantization precisions (2-bit to 8-bit)
Best For: Resource-constrained environments, local deployment, data privacy-sensitive scenarios.
Links: GitHub
KTransformers
KTransformers is an inference framework designed for real-time conversational scenarios, optimizing multi-turn dialog performance through efficient KV Cache management.
Key Features:
- Efficient KV Cache Management: Optimized context caching for multi-turn conversations
- Multi-Backend Support: CUDA, ROCm, and CPU compute backends
- Low-Latency Optimization: Targeted optimizations for real-time interactive scenarios
Best For: Real-time chatbots, multi-turn dialog applications.
Links: GitHub
MindIE
MindIE is Huawei's Ascend-native inference engine, deeply integrated with the MindSpore ecosystem.
Key Features:
- Ascend Native Support: Deep optimizations for Ascend 910/910B chips
- MindSpore Ecosystem: Seamless integration with Huawei's full-stack AI ecosystem
- Industry-Specific Optimization: Specialized optimizations for autonomous driving, manufacturing, and medical imaging
Best For: Enterprise inference deployments on Huawei Ascend hardware, including autonomous driving, smart manufacturing, and medical imaging.
Links: Docs
Image Generation Frameworks
Hugging Face Inference Toolkit
Hugging Face Inference Toolkit provides auto-optimized inference support for Transformers, Diffusers, and Sentence-Transformers models.
Key Features:
- Auto-Optimized Inference: Automatically detects model type and applies optimal inference configuration
- Diffusers Support: Supports image generation models such as Stable Diffusion
- Sentence-Transformers Support: Efficient inference for embedding models
Best For: Image generation, text embedding, and other Hugging Face ecosystem model inference.
Links: GitHub
Text-to-Speech Frameworks
fishaudio (Fish Speech)
Fish Speech is a high-fidelity speech generation framework with multi-language support.
Key Features:
- High-Fidelity Output: Generates high-quality, natural-sounding speech
- Multi-Language Support: Supports speech synthesis in Chinese, English, and other languages
- Fast Inference: Optimized inference pipeline suitable for real-time speech generation
Best For: Text-to-speech (TTS) applications, intelligent customer service, audiobooks.
Links: GitHub
Video Generation Frameworks
LightX2V
LightX2V is a unified video generation inference framework supporting multiple video generation tasks.
Key Features:
- Unified Task Support: Text-to-Video (T2V), Image-to-Video (I2V), Text-to-Image (T2I), Image-to-Image (I2I)
- 4-Step Distillation: Knowledge distillation reduces inference steps for faster generation
- Quantization Acceleration: Model quantization to lower VRAM usage and inference latency
Best For: Video content creation, short video generation, image/text-to-video workflows.
Links: GitHub
Framework Comparison
| Framework | Task Type | Key Features | Best For |
|---|---|---|---|
| vLLM | Text Generation | PagedAttention, multi-format quantization, multi-platform | High-throughput large-scale inference |
| SGLang | Text Generation | RadixAttention, constrained decoding, multimodal | Multimodal inference, structured generation |
| TGI | Text Generation | Tensor parallelism, streaming, observability | Production low-latency inference |
| llama.cpp | Text Generation | Pure C++, cross-platform, lightweight | Local deployment, privacy-sensitive scenarios |
| KTransformers | Text Generation | KV Cache management, multi-backend | Real-time chat, multi-turn dialog |
| MindIE | Text Generation | Ascend-native, MindSpore ecosystem | Huawei Ascend hardware deployments |
| HF Inference Toolkit | Image Generation | Auto-optimization, Diffusers support | HF ecosystem model inference |
| Fish Speech | Text-to-Speech | High-fidelity, multi-language | TTS, intelligent customer service |
| LightX2V | Video Generation | Unified multi-task, distillation, quantization | Video content creation |