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.
#172 of 200 in Embeddings.
On MTEB multilingual v2 · Mean over task types · multilingual (1037 languages), STS Multilingual Mpnet Base v2 scores 42.4 vs 43.1 — about the same.
Released 2024-06-07. 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.
STS Multilingual Mpnet Base v2 is an open-weights embeddings & retrieval model from Gameselo, released Jun 2024.
EmbeddingGemma 300M (better), KaLM Embedding Gemma3 12B 2511 (open weights).