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.
#193 of 200 in Embeddings.
On MTEB Spanish v1 · STS · multilingual (2 languages), Arabert All Nli Triplet Matryoshka scores 48.6 vs 48.9 — about the same.
Released 2024-06-16. 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.
Arabert All Nli Triplet Matryoshka is an open-weights embeddings & retrieval model from Omartificial-Intelligence-Space, released Jun 2024.
E5 Base v2 (better), Jina Embeddings v5 Text Small (open weights).