Qwen's Justin Lin: arch complexity hides issues evals can't catch, but agentic gains may be worth it
JustinLin610 · x · 2026-09-11
Justin Lin of the Qwen team says loading too much complexity into model architectures causes unknown issues that no eval, even internal ones, can catch — yet as foundation models focus on agentic tasks, people may accept these small unknown costs for big efficiency gains.
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