How Alibaba’s New Qwen3.8-Max Stacks Up Against US AI Giants

Alibaba launched Qwen3.8-Max on Monday with its first printed benchmarks, and the mannequin ranked fourth on Arena’s Frontend Code leaderboard. Only Claude Opus 5 and Moonshot’s Kimi K3 scored greater within the take a look at.

The 2.4 trillion-parameter mannequin exits its July preview with 95 billion lively parameters, a 1 million-token context window, and public API pricing.

Qwen3.8-Max Trails Only Claude and Kimi in Coding Test

Arena’s leaderboard scored Qwen3.8-Max at 1,668 factors, one level behind Claude Opus 5 (High). Claude Opus 5 (Max) leads at 1,705, while Kimi K3 (Max) holds second at 1,676. The mannequin additionally positioned second in Arena’s Consumer Product class.

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Big information: Qwen3.8-Max by @Alibaba_Qwen simply landed at #4 on the Frontend Code Arena leaderboard with a rating of 1,668!

With 1,668 factors, Qwen3.8-Max is trailing solely Claude Opus 5 (Max) with 1,705 pts and Kimi K3 (Max) with 1,676 pts, on par with Claude Opus 5 (High) with 1669… https://t.co/noIJACxxGR pic.twitter.com/pbiNdj0WQL

— Arena.ai (@area) August 3, 2026

Data shared by Alibaba claims wins over Claude Opus 4.8, Fable 5, and GPT-5.6 on agentic and multimodal benchmarks. The information exhibits 86.6 on TerminalBench-2.1, 93.0 on PaperBench, and 86.1 on OSWorld-Verified. 

However, Anthropic’s Fable 5 keeps a wide lead in core software program engineering. It scores 80.0 on SWE-Pro towards Qwen’s 67.7, and 88.8 on FrontierSWE towards 73.5. 

First Open Max Model Arrives as Alibaba Shares Rally

The launch additionally marks the primary time Alibaba will open-source the weights of a Qwen-Max-class mannequin. 

“Next week, the open weights of Qwen3.8-Max will probably be launched, and Qwen3.8-27B can also be going open-weights to fulfill you all!” the workforce stated.

The weights will land on Hugging Face and ModelScope. Meanwhile, API pricing debuted at $2 per million enter tokens and $6 per million output tokens.

Investors responded rapidly to the launch. Alibaba shares climbed 6.15% to HK$124.20 by the Hong Kong lunch break, from a earlier shut of HK$117. 

The inventory prolonged Friday’s 4.65% acquire, which analysts tied to a reported Moonshot chip deal. Independent evaluations might sharpen the image as soon as the weights land subsequent week.

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