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# model config for qwen3-4b-base

base_emb_dim: 2560

base_num_query_heads: 32

base_num_kv_heads: 8

base_mlp_dim: 9728

base_num_decoder_layers: 36

head_dim: 128

mlp_activations: ["silu", "linear"] # "hidden_act": "silu" implies SwiGLU

vocab_size: 151936

decoder_block: "qwen3"

normalization_layer_epsilon: 1.0e-6

rope_max_timescale: 1000000

use_qk_norm: True

logits_via_embedding: True # from "tie_word_embeddings": true

normalize_embedding_logits: False

enable_dropout: False # deterministic for testing

tokenizer_type: "huggingface"