AirLLM vs FastChat
A side-by-side comparison of features, pricing, and characteristics.
AirLLM
Open-source Python library that runs very large language models on low-memory GPUs by streaming model layers one at a time.
Read the full reviewFastChat
FastChat is an open platform for training, serving, and evaluating large language model-based chatbots.
Read the full review| Attribute | AirLLM | FastChat |
|---|---|---|
| Pricing type | Free | Free |
| Korean support | No | Official |
| Platforms | Linux, macOS, CUDA-enabled NVIDIA GPUs, Apple Silicon | Web, API, CLI |
| Open source | Yes | Yes |
| API available | - | Available |
| SDK | - | Available |
| LLM-based | - | Yes |
| Multimodal | - | Yes |
| AI model | Llama, Qwen, DeepSeek, Mistral, Mixtral, Phi, Gemma | - |
| GitHub Stars | 33.8K | 39.5K |
| Vendor | Anima AI LLC | LMSYS Org |
| Category | Developer Tools | Developer Tools |
| Details | View | View |
AirLLM key features
- Reducing GPU memory usage through layer-wise model streaming
- Supporting inference of 70B-class models on a single 4GB GPU
- AutoModel interface based on Hugging Face model IDs
- 4-bit and 8-bit block-wise model compression
- Supporting CPU inference and Apple Silicon macOS
- Supporting various model families including Llama, Qwen, DeepSeek, and Mistral
FastChat key features
- OpenAI-compatible API
- Support for various LLMs
- Web-based Chat UI
- Distributed Serving Architecture
- Evaluation Tools (MT-bench)
- vLLM & LightLLM Integration