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Open-weight model · Text generation

66c200392ff148279a5995ef1455d3de

by Latent Trojan latent-artist/66c200392ff148279a5995ef1455d3de

This repository contains an instruction-tuned causal language model for text generation and chat-style prompts. Use a recent version of transformers that supports this model architecture.

Parameters1.5B
Context32,768
Weights3.1 GB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads

Runs On

What it takes to serve 66c200392ff148279a5995ef1455d3de (1.5B parameters): the memory its weights need at each precision, and the cheapest way to rent enough data-center GPUs to hold them.

PrecisionWeightsMemory neededCheapest setupPer hourAlso fits
16-bit 3.1 GB 3.7 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 1.5 GB 1.9 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.8 GB 0.9 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00

Memory is the weights at that precision plus 20% for the runtime and a short context; a long context needs more. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Sep 18, 2026.

Model Card

By Latent Trojan, published under apache-2.0, revision 5e0c1c7d82b6.

This repository contains an instruction-tuned causal language model for text generation and chat-style prompts. Use a recent version of transformers that supports this model architecture. The following example loads the model from this repository and generates a response.

Read Latent Trojan's full model card

Instruction-Tuned Language Model

This repository contains an instruction-tuned causal language model for text generation and chat-style prompts.

Model details

  • Type: causal language model
  • Parameters: approximately 1.54 billion
  • Non-embedding parameters: approximately 1.31 billion
  • Layers: 28
  • Architecture: rotary position embeddings, gated feed-forward layers, RMS normalization, attention query/key/value bias, and tied word embeddings
  • Attention: grouped-query attention with 12 query heads and 2 key/value heads
  • Context length: 32,768 tokens, with generation up to 8,192 tokens
  • Languages: multilingual text generation

Requirements

Use a recent version of transformers that supports this model architecture.

Quickstart

The following example loads the model from this repository and generates a response.

from transformers import AutoModelForCausalLM, AutoTokenizer

model_name = "latent-artist/66c200392ff148279a5995ef1455d3de"

model = AutoModelForCausalLM.from_pretrained(
    model_name,
    torch_dtype="auto",
    device_map="auto"
)
tokenizer = AutoTokenizer.from_pretrained(model_name)

prompt = "Give me a short introduction to large language models."
messages = [
    {"role": "system", "content": "You are a helpful assistant."},
    {"role": "user", "content": prompt}
]
text = tokenizer.apply_chat_template(
    messages,
    tokenize=False,
    add_generation_prompt=True
)
model_inputs = tokenizer([text], return_tensors="pt").to(model.device)

generated_ids = model.generate(
    **model_inputs,
    max_new_tokens=512
)
generated_ids = [
    output_ids[len(input_ids):] for input_ids, output_ids in zip(model_inputs.input_ids, generated_ids)
]

response = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]

Configuration

Architecture
Qwen2ForCausalLM
Context length (tokens)
32,768
Layers
28
Hidden size
1,536
Feed-forward size
8,960
Attention heads
12
Key/value heads
2
Vocabulary size
151,936
Sliding window (tokens)
32,768
RoPE base
1e+06
Stored precision
bfloat16
Model type
qwen2

Identity and Version

Repository
latent-artist/66c200392ff148279a5995ef1455d3de
Publisher
Latent Trojan
Task
Text generation
Modality
Text
Library
transformers
Parameters
1.5B parameters
Languages
en
Revision
5e0c1c7d82b61eee43be2b40b33d7ba0da8563fa
First published
2026-09-18
Last updated
2026-09-18

Files and Weights

10 files, 3.1 GB in total. The weights are 1 file totalling 3.1 GB in safetensors.

Weights1 file · 3.1 GB
Configuration2 files · 902 B
Tokenizer4 files · 11.5 MB
Documentation2 files · 13.2 KB
Repository1 file · 1.5 KB
Every file
FileTypeSizeSHA-256
model.safetensorsWeights3.1 GB dd924a11b4c2
config.jsonConfiguration660 B
generation_config.jsonConfiguration242 B
LICENSEDocumentation11.3 KB
README.mdDocumentation1.9 KB
.gitattributesRepository1.5 KB
merges.txtTokenizer1.7 MB
tokenizer.jsonTokenizer7.0 MB
tokenizer_config.jsonTokenizer7.3 KB
vocab.jsonTokenizer2.8 MB

License and Download

License
apache-2.0
Access
Open weights, no gate
Download size
3.1 GB
Download from Latent Trojan

Released by Latent Trojan through its official repository on Hugging Face. Read the license.

Memory Requirements

PrecisionWeights in memory
As published3.1 GB
16-bit3.1 GB
8-bit1.5 GB
4-bit0.8 GB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Questions About 66c200392ff148279a5995ef1455d3de

How much GPU memory does 66c200392ff148279a5995ef1455d3de need?

About 3.7 GB at 16-bit and 0.9 GB at 4-bit: the weights (1.5B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run 66c200392ff148279a5995ef1455d3de on?

At 16-bit, 1x MI300X from $1.85 an hour; at 4-bit, 1x MI300X from $1.85 an hour, at the lowest on-demand prices the SAVRN Index lists.

Can I use 66c200392ff148279a5995ef1455d3de commercially?

Yes. 66c200392ff148279a5995ef1455d3de is released under Apache License 2.0. The Apache License 2.0 is a permissive open-source license. It permits commercial use, modification and redistribution. It requires keeping the license and copyright notices and any NOTICE file, stating significant changes, and it includes an express patent grant from contributors.

What is 66c200392ff148279a5995ef1455d3de's context length?

32,768 tokens, from the maximum position embeddings in its published configuration.

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