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.
#150 of 200 in Embeddings.
On MTEB Spanish v1 · STS · multilingual (2 languages), Sgpt Bloom 7b1 Msmarco scores 67.4 vs 67.7 — about the same.
Released 2022-08-26. 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.
Sgpt Bloom 7b1 Msmarco is an open-weights embeddings & retrieval model from bigscience, released Aug 2022.
Multilingual E5 Large Instruct (better), Jina Embeddings v5 Text Small (open weights).