Model reference · open weights
llama2-embedding-8k is an open-weight embedding model from mesolitica. llama2-embedding-1b-8k (FP32) weighs 1.9 GB; the smallest configuration that runs it is RTX 3060 12 GB.
For self-hosting, compare this build's requirements below with the GPU you plan to rent.
Summary of the mesolitica/llama2-embedding-1b-8k model card, 2026-10-01
What it is
| Released by | mesolitica |
|---|---|
| Released | 2023-10-05 |
| Parameters | 947M |
| VRAM | 1.9 GB for the weights |
What it runs on
| Card | Runs | Memory |
|---|---|---|
| RTX 3060 12 GB | fits | 11.6 GB |
| RTX 4060 Ti 16 GB | fits | 15.4 GB |
| RTX 3090 24 GB | fits | 23.4 GB |
| RTX 4090 24 GB | fits | 23.4 GB |
| RTX 5090 32 GB | fits | 31.0 GB |
| L40S 48 GB | fits | 44.0 GB |
| A100 80 GB | fits | 78.2 GB |
| H100 80 GB | fits | 78.1 GB |
| RTX PRO 6000 Blackwell 96 GB | fits | 93.8 GB |
| DGX Spark (GB10) 128 GB unified | fits | 107 GB |
| H200 141 GB | fits | 138 GB |
| B200 180 GB | fits | 176 GB |
From the model card
Trained on truncated 8k context length, but infer able to scale up to 32k context length.
README at https://github.com/mesolitica/llama2-embedding#finetune
WandB, https://wandb.ai/mesolitica/llama2-embedding-1b?workspace=user-husein-mesolitica
from transformers import AutoModel, AutoTokenizer
from sklearn.metrics.pairwise import cosine_similarity
model = AutoModel.from_pretrained('mesolitica/llama2-embedding-1b-8k', trust_remote_code = True)
tokenizer = AutoTokenizer.from_pretrained('mesolitica/llama2-embedding-1b-8k')
input_ids = tokenizer(
[
'tak suka ayam',
'Isu perkauman: Kerajaan didakwa terdesak kaitkan pemimpin PN',
'nasi ayam tu sedap',
'suka ikan goreng?',
'Kerajaan tidak akan berkompromi dengan isu perkauman dan agama yang dimanipulasi pihak tertentu untuk mengganggu-gugat kestabilan negara serta ketenteraman rakyat.',
'rasis bodo mamat tu',
'kerajaan sekarang xde otak',
'aku nak sukan olimpik ni',
'malaysia dapat x pingat kt sukan asia?',
'pingat gangsa menerusi terjun dan olahraga pada hari ke-10',
'Kerajaan negeri kini dibenarkan melaksanakan penerokaan awal unsur nadir bumi (REE) berdasarkan prosedur operasi standard (SOP) sedia ada untuk perlombongan nadir bumi dan mineral.',
'KONTINJEN Malaysia mendekati sasaran 27 pingat di Sukan Asia kali ini esok, selepas menuai dua lagi pingat gangsa menerusi terjun dan olahraga pada hari ke-10 pertandingan, pada Selasa.'
],
return_tensors = 'pt',
padding = True
)
v = model.encode(input_ids).detach().numpy()
v.shape
(12, 1536)
Quoted from the model card on Hugging Face. The full card is behind the Hugging Face link above.