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.
#33 of 89 in Multimodal.
On MTEB English v2 · Summarization · English, OmniEmbed v0.1 scores 21.8 vs 22.1 — about the same.
Released 2025-04-12. It is the current version in its line.
Yes, the weights are open (MIT licence).
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
OmniEmbed v0.1 is an open-weights embeddings & retrieval model from Tevatron, released Apr 2025.
EmbeddingGemma 2 (better), LCO Embedding Omni 7B (open weights).