Qwen3-Coder writes less secure code when told it's for a US persona
Source
hirundo.io
Author
mattifrank
Date
Why it matters
Reports that the customer named in a prompt changed the security of Qwen3-Coder's output by up to 28%, even with a security instruction. Teams building on open weightsA model whose trained parameters are published for anyone to download and run — unlike API-only models you can access but never possess.Full definition → coding models should test for this.
Terms in this piece · Glossary
alignment — The work of making AI systems actually pursue what their builders and users intend, rather than something subtly or dangerously different.
open weights — A model whose trained parameters are published for anyone to download and run — unlike API-only models you can access but never possess.