$0.005 per 1M tokens.
There is no free API; the cheapest paid price is $0.005 per 1M input tokens. The weights are open, so you can run it yourself.
#132 of 200 in Embeddings.
On MTEB Medical v1 · Reranking · Mandarin Chinese, All MiniLM L12 v2 scores 20.1 vs 20.2 — about the same.
Through the sentence-transformers API.
Released 2021-08-30. 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.
All MiniLM L12 v2 is an open-weights embeddings & retrieval model from sentence-transformers, released Aug 2021.
E5 Base v2 (better), Yuan Embedding 2.0 Zh (open weights).