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AWS Machine Learning Blog· Josh Longenecker·· 6 h ago

Train Qwen3 on AWS Trainium with torchtitan

Train Qwen3 on AWS Trainium with torchtitan

AI summary

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 loading and saving published Hugging Face safetensors.

Selection record

Not admittedSum of both 68 < twice the threshold 120

Source tier
Official, first-hand; this tier's threshold is 60
Pre-filter
passed:AWS Trainium训练Qwen3模型教程

A model scores each item twice, independently, against one written standard, out of 100. An item is admitted only when the two scores add up to twice the threshold. The threshold is set per source tier.

Source: AWS Machine Learning Blog · aws.amazon.com