# sentence-transformers/multi-qa-mpnet-base-dot-v1 价格对比

We present a sentence transformation model that maps sentences and paragraphs to a 768-dimensional dense vector space, suitable for semantic search tasks. The model is trained on 215 million question-answer pairs from various sources, including WikiAnswers, PAQ, Stack Exchange, MS MARCO, GOOAQ, Amazon QA, Yahoo Answers, Search QA, ELI5, and Natural Questions. Our model uses a contrastive learning objective.

> 数据更新时间：2026-10-16T03:24:37.082Z；各价格组件保留来源币种与计价单位，可追溯至原始采集记录。

| 供应商 | SKU | 价格组件 | 采集来源 | 更新时间 (UTC) |
|---|---|---|---|---|
| [DeepInfra](/providers/deepinfra) | `sentence-transformers/multi-qa-mpnet-base-dot-v1` | 输入（未缓存） $0.0050 / 1M tokens | [DeepInfra /models/list](https://api.deepinfra.com/models/list) | 2026-10-16 03:24 |

别名：sentence-transformers/multi-qa-mpnet-base-dot-v1