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.
#82 of 200 in Embeddings.
On MTEB German v1 · Reranking · German, Stella En 400M v5 scores 40.8 vs 42.3 — lower.
Released 2024-07-12. 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.
Stella En 400M v5 is an open-weights embeddings & retrieval model from NovaSearch, released Jul 2024.
Multilingual E5 Large (better), Nemotron 3 Embed 1B BF16 (open weights).