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.
#170 of 200 in Embeddings.
On MTEB multilingual v2 · Reranking · multilingual (22 languages), Jina Embeddings v2 Small En scores 27.6 vs 28.1 — about the same.
Released 2023-09-27. 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 Embeddings v2 Small En is an open-weights embeddings & retrieval model from Jina AI, released Sep 2023.
EmbeddingGemma 300M (better), F2LLM v2 8B (open weights).