$0.05 per 1M tokens.
There is no free API; it costs $0.05 per 1M tokens. The weights are open, so you can run it yourself.
#125 of 200 in Embeddings.
On LongEmbed · Retrieval · English, Jina Embedding B En v1 scores 37.2 vs 37.4 — about the same.
Released 2023-07-07. 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.
Jina Embedding B En v1 is an open-weights embeddings & retrieval model from Jina AI, released Jul 2023.
Voyage 3 Lite (cheaper), E5 Base v2 (better), Uibk Embedding v1 (open weights).