All Mpnet Base v2

$0.005 per 1M tokens.

There is no free API; the cheapest paid price is $0.005 per 1M input tokens. The weights are open, so you can run it yourself.

#130 of 200 in Embeddings.

On ChemTEB · Classification · English, All Mpnet Base v2 scores 82.2 vs 82.2 — about the same. It is 50% cheaper.

Through the sentence-transformers API.

Released 2021-08-30. It is the current version in its line.

Yes, the weights are open (Apache-2.0 licence).

The weights are open and can be self-hosted; hardware needs are not confirmed yet.

All Mpnet Base v2 is an open-weights embeddings & retrieval model from sentence-transformers, released Aug 2021.

Text Embedding 3 Small (better), ICT TIME And Querit Embedding v1 (open weights).