Qwen1.5 model releases

A source-backed timeline for the Qwen1.5 model family, collecting release dates, labs, access details, context windows, and major lifecycle changes.

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Qwen1.5-110B

Qwen

Qwen

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2 models

Largest Qwen1.5 model, released as the bridge from the original Qwen line to Qwen2.

Largest chat-tuned Qwen1.5 dense checkpoint, released with stronger human-preference alignment, multilingual support, and 32K context.