There is no per-unit API price: self-host only.
There is no free API. The weights are open, so you can run it yourself.
#135 of 200 in Embeddings.
On MTEB German v1 · Pair Classification · German, Sentence Croissant Alpha v0.4 scores 53.4 vs 53.5 — about the same.
Released 2024-04-27. It is the current version in its line.
Yes, the weights are open (MIT licence).
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
Sentence Croissant Alpha v0.4 is an open-weights embeddings & retrieval model from manu, released Apr 2024.
Jina Embeddings v5 Text Nano (better), Gte Qwen2 7B Instruct (open weights).