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Qwen3.8-Max

Alibaba · 2026-08-03

Qwen3.8-Max is Alibaba's flagship Qwen3.8-generation mixture-of-experts model, previewed at the World AI Conference on July 19, 2026 and made broadly available through Alibaba Cloud and partner gateways on August 3, 2026. Alibaba markets it at 2.4 trillion total parameters with a 1M-token context window, text, image, and video input, optional thinking with an adjustable reasoning budget, and a focus on autonomous coding and long-horizon agentic work. At launch it is API-only; Alibaba says it will be the first Max-class Qwen model to ship open weights, planned for the week after release.

Benchmark scores

BenchmarkScore
AA-Briefcase Elo1388
AA-Briefcase v1.1 Elo1390
AA-LCR v1.178.3
AA-Omniscience Index3.4
Arena Code WebDev — Brand & Marketing1663
Arena Code WebDev — Consumer Product1645
Arena Code WebDev — Content Creation Tools1649
Arena Code WebDev — Data & Analytics1616
Arena Code WebDev — Gaming1737
Arena Code WebDev — HTML1626
Arena Code WebDev — React1680
Arena Code WebDev — Reference-Based Design1685
Arena Code WebDev — Simulations1668
Arena Image-to-WebDev1618
Arena Text — Business, Management & Financial Ops (No Style Control)1479
Arena Text — Chinese (No Style Control)1539
Arena Text — Creative Writing (No Style Control)1481
Arena Text — English (No Style Control)1490
Arena Text — Entertainment, Sports & Media (No Style Control)1461
Arena Text — Exclude Ties (No Style Control)1490
Arena Text — Exclude Ties (Style Controlled)1493
Arena Text — Expert (No Style Control)1509
Arena Text — French (No Style Control)1509
Arena Text — French (Style Controlled)1513
Arena Text — German (No Style Control)1488
Arena Text — Hard Prompts (No Style Control)1495
Arena Text — Hard Prompts English (No Style Control)1504
Arena Text — Instruction Following (No Style Control)1482
Arena Text — Japanese (No Style Control)1463
Arena Text — Korean (No Style Control)1469
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