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Alibaba Unveils 2.4-Trillion-Parameter Qwen3.8-Max, Shares Jump

8/3/2026

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Summary

Story summary

Alibaba Group unveiled its Qwen3.8-Max model on Monday, with 2.4 trillion parameters and a 1 million-token context window.
The company will release the model’s weights publicly next week, marking a return to open-weight releases.
Qwen3.8-Max matched Anthropic’s Fable 5 on benchmarks and ranked second on Arena.AI’s visual-analysis leaderboard.
Alibaba’s New York shares rose 4.5% and Hong Kong shares rose 7% after the unveiling.

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Story summary

Alibaba Group unveiled its Qwen3.8-Max model on Monday, with 2.4 trillion parameters and a 1 million-token context window.
The company will release the model’s weights publicly next week, marking a return to open-weight releases.
Qwen3.8-Max matched Anthropic’s Fable 5 on benchmarks and ranked second on Arena.AI’s visual-analysis leaderboard.
Alibaba’s New York shares rose 4.5% and Hong Kong shares rose 7% after the unveiling.