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bloombergthreads+1bloombergAlibaba has open-sourced the weights of its Qwen3.8 model series, including its flagship 2.4-trillion-parameter Qwen3.8-Max and the smaller Qwen3.8-27B, as cumulative global downloads of the Qwen model family surpassed 3 billion — making it the most downloaded open-weight AI model ecosystem in the world, ahead of Meta and Google Alphabet Inc. .
The milestone, disclosed in an Alibaba statement and confirmed by a Hugging Face state of open models report published on August 14, underscores how Chinese open-source AI models have become the default building blocks for developers globally.bloomberg+1
Qwen reached 1 billion cumulative downloads in January 2026, averaging 1.1 million downloads per day at that point. By March, it had captured more than 50 percent of global open-source model downloads, generating 153.6 million downloads in February alone — more than double the combined total of the next eight major players. The leap to 3 billion in under six months reflects accelerating adoption fueled by a steady cadence of new releases.linkedin+1
Google had 418 million downloads in 2026 while Meta stood at 227 million, according to the Hugging Face report. Qwen's ecosystem has spawned more than 300,000 derivative models and open-sourced over 460 models in total.bloomberg
Alibaba first announced Qwen3.8-Max on August 3 as an API-only release, promising open weights within roughly a week. The open-weight release arrived on August 14, making the full 2.4-trillion-parameter sparse mixture-of-experts model and Qwen3.8-27B — a 28-billion-parameter dense model that fits on a single GPU — available on Hugging Face.scmp+4
The Hugging Face report called Qwen "one of the largest foundations of the open AI ecosystem," noting that Qwen-based models now account for over 151,000 derivatives on the platform, 2.6 times Meta's total footprint.huggingface+1
The release comes amid intensifying competition. US tech giants including Meta and Nvidia have published new open models in recent weeks. Alibaba is also reportedly planning to require large commercial users of Qwen3.8-Max open weights to share a portion of revenue, a move that would mark a shift in the economics of open-weight AI.qz+1
"Qwen has become part of the default workflow for developers deciding what models to fine-tune and deploy," the Hugging Face report said.bloomberg