There is no per-unit API price: API price not public.
There is no free API. The weights are open, so you can run it yourself.
#184 of 200 in Embeddings.
On MTEB German v1 · Mean over tasks · German, German Semantic STS v2 scores 53.2 vs 53.4 — about the same.
Released 2022-11-17. It is the current version in its line.
Yes, the weights are open.
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
German Semantic STS v2 is an open-weights embeddings & retrieval model from aari1995, released Nov 2022.
Multilingual E5 Large Instruct (better), F2LLM v2 8B (open weights).