Framework Comparison #
| Framework | Attention Backend | Continuous Batching | KV Cache Management | Chunked Prefill | Prefix Caching | Disaggregated Inference | Multi-LoRA Serving | Quantization |
|---|---|---|---|---|---|---|---|---|
| vLLM | FlashAttention | yes | PagedAttention | yes | block-level hash | yes | yes | FP8, INT4 (GPTQ, AWQ), GGUF, 4-bit/8-bit |
| SGLang | FlashInfer | yes | RadixAttention | yes | radix tree | yes | yes | FP4, FP8, INT4, AWQ, GPTQ |
| Hugging Face Transformers | FlashAttention | no | static/pool-based allocation | no | none | no | yes | FP4, FP8, INT4, AWQ, GPTQ |
| Text Generation Inference (TGI) | FlashAttention | yes | PagedAttention | yes | yes | no | yes | FP4, FP8, INT4, AWQ, GPTQ |