Booper-Big

Booper-Big is a from-scratch English MoE language model trained on the English split of openbmb/Ultra-FineWeb. It uses the standard Hugging Face Mixtral implementation.

Property Value
Total parameters 149,602,432
Active parameters per token 50,512,000
Layers / width / heads 6 / 896 / 14
Experts / active experts 7 / 1
Context window 4,096
Tokenizer Booper byte-BPE, 16,384 tokens
Pretraining tokens 5,000,036,352
Training precision BF16 compute, FP32 master weights; BF16 published weights
Final training loss 1.8922
Held-out Ultra-FineWeb loss 1.5720

The training stream filtered the already-curated English split to quality score ≥0.70 and held the last prepared shard out of training. The model was trained with 1,024-token packed sequences; RoPE and the published configuration support a 4,096-token context window.

from transformers import AutoModelForCausalLM, AutoTokenizer

model_id = "ProCreations/Booper-Big"
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(model_id, torch_dtype="auto")

This is a small base model, not an instruction-following assistant. Outputs may be inaccurate or unsafe.

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0.2B params
Tensor type
BF16
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