There is no per-unit API price: price not verified.
#162 of 220 in Embeddings.
On MTEB Medical v1 · Clustering · English, Text2vec Base Chinese Paraphrase scores 32.3 vs 32.4 — about the same.
Released 2023-06-22. 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.
Text2vec Base Chinese Paraphrase is an open-weights embeddings & retrieval model from shibing624, released Jun 2023.
EmbeddingGemma 300M (better), F2LLM 4B (open weights).