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.
#70 of 89 in Multimodal.
On MIEB English · Compositionality · English, Align Base scores 40.3 vs 40.4 — about the same.
Released 2023-02-24. 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.
Align Base is an open-weights embeddings & retrieval model from kakaobrain, released Feb 2023.
Jina Embeddings v5 Omni Small (better), E5 V (open weights).