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.
#78 of 89 in Multimodal.
On MIEB multilingual · Visual semantic similarity (multilingual) · multilingual (13 languages), Blip Itm Base Coco scores 38.6 vs 39.8 — lower.
Released 2023-08-01. It is the current version in its line.
Yes, the weights are open (bsd-3-clause licence).
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
Blip Itm Base Coco is an open-weights embeddings & retrieval model from Salesforce, released Aug 2023.
EmbeddingGemma 2 (better), LCO Embedding Omni 7B (open weights).