Qwen2.5 Technical Report

Our summary

The technical report for Qwen2.5, Alibaba's open-weight model family (0.5B–72B) trained on ~18T tokens, with the flagship 72B-Instruct competitive with far larger open models and strong multilingual and long-context support.

Why it matters

Documents a leading open-weight family now in the catalog, and the training scale behind its capabilities and limits.

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