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.
#136 of 238 in Embeddings.
On MTEB Mandarin Chinese v1 · Reranking · Mandarin Chinese, KaLM Embedding Multilingual Mini Instruct v1.5 scores 64.4 vs 64.4 — about the same.
Released 2024-12-26. 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.
KaLM Embedding Multilingual Mini Instruct v1.5 is an open-weights embeddings & retrieval model from HIT-TMG, released Dec 2024.
Qwen 3 Embedding 8B (better), Yuan Embedding 2.0 Zh (open weights).