There is no per-unit API price: price not verified.
#177 of 200 in Embeddings.
On MTEB Russian v1.1 · STS · Russian, USER Base scores 74.3 vs 74.3 — about the same.
Released 2024-06-10. 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.
USER Base is an open-weights embeddings & retrieval model from deepvk, released Jun 2024.
Qwen 3 Embedding 8B (better).