There is no per-unit API price: price not verified.
#109 of 200 in Embeddings.
On MTEB English v2 · Summarization · English, E5 Large scores 33.3 vs 33.3 — about the same.
Released 2022-12-26. 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.
E5 Large is an open-weights embeddings & retrieval model from intfloat, released Dec 2022.
EmbeddingGemma 300M (better), LGAI Embedding Preview (open weights).