LowOnMind-8M

A 8,060,256-parameter decoder-only language model pre-trained from scratch on fineweb-edu, using the NanoDex Trainer Space.

Architecture

A standard LlamaForCausalLM decoder-only transformer — SiLU MLP, RMSNorm, rotary position embeddings, grouped-query attention, tied embeddings, no biases — scaled down in width and depth to fit the parameter budget.

Parameters 8,060,256
Hidden size 288
Layers 9
Attention heads 9 (KV: 3)
FFN size 704
Context length 512
Vocab 2,048 (custom BPE trained on fineweb-edu)

Training

Tokens seen 199,753,728
Steps 381
Tokens / step 524,288
Optimizer AdamW(0.9, 0.95) wd=0.1 clip=1.0
LR schedule warmup 2% + cosine to 10% (peak 1e-03)
Final loss 3.8884 (ppl 48.8)
Wall time 29.3 min
Trained by @DedeProGames

Usage

from transformers import AutoModelForCausalLM, AutoTokenizer

tok = AutoTokenizer.from_pretrained("DedeProGames/LowOnMind-8M")
model = AutoModelForCausalLM.from_pretrained("DedeProGames/LowOnMind-8M")

ids = tok("The mitochondria is", return_tensors="pt").input_ids
print(tok.decode(model.generate(ids, max_new_tokens=60, do_sample=True,
                                temperature=0.8, top_k=50)[0]))

Caveats

This is a nano-scale research artifact. At this parameter count and token budget the model learns word shapes, common collocations and a little syntax — it is not a useful assistant and its output is not factual. It exists to make "pre-train a transformer from scratch" something you can actually watch happen.

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