janhq/Jan-v1-4B

Full fine-tune vs Qwen/Qwen3-4B-Thinking-2507. Fine-tune: 90% of the weights changed, across 36 of 36 layers.

Tensors changed: Embeddings 0/1, Norms 111/145, MLP 108/108, Attention 144/144

8 derivatives checked

2 other repos hold byte-for-byte identical weight files.

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