Alibaba released a preview of its flagship Qwen3.8 Max on Jul. 19, a 2.4 trillion-parameter model the company claims trails only Anthropic's Fable 5.
Key Points:
- Qwen3.8 Max debuts with 2.4 trillion parameters, and Alibaba promises an open-weight release soon.
- No benchmarks, license terms or technical documentation accompanied the preview.
- The launch lands days after Moonshot AI's Kimi K3 rattled global technology stocks.
Qwen3.8 Max Preview
The Hangzhou-based company posted the announcement, calling Qwen3.8 Max one of the most powerful models available today.
Developers can already test the preview through Alibaba's coding platforms, including Qoder, while a live chat version is open to the public. Full open weights will follow soon, the company said, without naming a date.
The Qwen team expects the model to outperform its predecessor, Qwen 3.7-Max, in coding and complex productivity work such as full-stack development, data analysis and office workflows, developer Shuai Bai said. Bai called it the team's first multimodal model above 1 trillion parameters, one capable of processing images, videos and documents in a single system.
No benchmark results have been published so far, and the launch post offered no technical specifications beyond the parameter count.
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Kimi K3 Rivalry
Analysts cautioned that the headline figure deserves scrutiny, since total parameter count says little about how much compute a model actually uses per token, or what it costs to run. Alibaba has not disclosed an activated parameter count, license terms or a model card. Earlier Qwen releases relied on mixture-of-experts designs that switch on only a fraction of their weights at a time, which keeps running costs far below what raw size suggests.
The timing tells its own story.
The preview arrived days after Moonshot AI, a startup backed by Alibaba, released Kimi K3, a model whose strong showing against systems from Anthropic and OpenAI shook global technology stocks. Moonshot has promised open weights of its own, though access currently runs through its chat app and paid tiers.
The startup reached $300 million in annual recurring revenue in June and now plans an initial public offering within six months.
Kimi K3 launched at 2.8 trillion parameters and briefly held the title of the largest open model ever released, capping a stretch in which Chinese labs stopped treating open weights as an afterthought.
Alibaba has spread investments across most of the country's prominent AI startups, so the contest for the biggest open model increasingly plays out inside its own portfolio.
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