There is no per-unit API price: price not verified.
#26 of 56 in Multimodal.
On MAEB v1 · Audio Pair Classification · English, LanguageBind Omni scores 52.6 vs 52.8 — about the same.
Released 2023-10-03. 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.
LanguageBind Omni is an open-weights embeddings & retrieval model from LanguageBind, released Oct 2023.
EmbeddingGemma 2 (better).