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.
#179 of 200 in Embeddings.
On FollowIR · Instruction Reranking · English, Potion Multilingual 128M scores -2.1 vs -2 — about the same.
Released 2025-05-23. 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.
Potion Multilingual 128M is an open-weights embeddings & retrieval model from minishlab, released May 2025.
EmbeddingGemma 300M (better), Qwen 3 Embedding 4B (open weights).