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.
#39 of 205 in Embeddings.
On LongEmbed · Retrieval · English, BidirLM 1B Embedding scores 76.4 vs 76.6 — about the same.
Released 2026-04-07. 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.
BidirLM 1B Embedding is an open-weights embeddings & retrieval model from BidirLM, released Apr 2026.
Voyage Multilingual 2 (better), Uibk Embedding v1 (open weights).