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Train Qwen3 on AWS Trainium with torchtitan

Train Qwen3 on AWS Trainium with torchtitan three ways on a single trn2.48xlarge: the Hugging Face Transformers v5 modeling backend, torchtitan's native Qwen3, and NKI mixture-of-experts kernels. The same torchrun launcher and config structure work unchanged across all three paths, including loadin…

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  1. 2026-10-21 20:00 · AWS Machine Learning Blog
    Train Qwen3 on AWS Trainium with torchtitan

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