HuggingFace

免费 CPU Basic + ZeroGPU（Spaces 用）；Inference Providers 每月赠送额度（Free 套餐 $0.10/月，PRO/Team/Enterprise $2.00/月）一个 key 路由到多家开放权重 provider速率限制：No RPM/TPM published, only credit amounts长期有效。