My Q4 model said True where BF16 said False, so I diffed them layer by layer

Qwen3-0. 6B in BF16 reads this: def is_prime ( n ): if n < 2 : return and puts 97. 9% on False .

Source: [Dev.to](https://dev.to/zaydmulani09/my-q4-model-said-true-where-bf16-said-false-so-i-diffed-them-layer-by-layer-128o)