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.
#52 of 89 in Multimodal.
On MTEB English v2 · Pair Classification · English, BidirLM Omni 2.5B Embedding scores 86.2 vs 86.2 — 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 Omni 2.5B Embedding is an open-weights embeddings & retrieval model from BidirLM, released Apr 2026.
EmbeddingGemma 2 (open weights).