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.
#77 of 89 in Multimodal.
On MIEB Img · Mean over tasks · multilingual (13 languages), Blip Itm Large Coco scores 56.3 vs 58.6 — 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 Large Coco is an open-weights embeddings & retrieval model from Salesforce, released Aug 2023.
Voyage Multimodal 3 (better), DNA VL STEER 2B (open weights).