Model comparison

jina-embeddings-v5-text-small vs jina-embeddings-v5-text-nano

At Q4_K_M, jina-embeddings-v5-text-nano is the smaller download — 156,966,976 bytes against 396,705,152. At long context the gap widens: jina-embeddings-v5-text-nano's KV cache at 32K is 3.1× smaller, which usually matters more than the difference in weights.

From the file· summed bytes, KV per layer

Side by side

jina-embeddings-v5-text-smalljina-embeddings-v5-text-nano
Parameters596M212M
Architectureqwen3eurobert
Layers2812
Native context32,7688,192
Mixture of expertsnono
Quantizations published5642
Smallest quantization0.19 GiB0.09 GiB
Q4_K_M0.37 GiB0.15 GiB
Licencecc-by-nc-4.0cc-by-nc-4.0

KV cache by context

the term that decides long-context viability
Contextjina-embeddings-v5-text-smalljina-embeddings-v5-text-nanoRatio
4,0960.44 GiB0.14 GiB3.11×
8,1920.88 GiB0.28 GiB3.11×
16,3841.75 GiB0.56 GiB3.11×
32,7683.50 GiB1.13 GiB3.11×
65,5367.00 GiB2.25 GiB3.11×
131,07214.00 GiB4.50 GiB3.11×