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Model details

Qwen3.8 Flash

Within the broader Qwen family, the Flash tier is positioned as a lightweight, latency-friendly option that carries the architectural advances of its siblings into a more accessible package. The closely related Qwen3.8-Flash-Next release from Alibaba's Qwen team is described as a multimodal mixture-of-experts model that doubles as an early architectural preview for the upcoming Qwen4 family, suggesting that the Flash line is intended to give developers hands-on access to next-generation design choices before the full flagship lineup arrives. Its multimodal design points to practical applications that combine text with visual and video understanding, making it a reasonable fit for agents, assistants, and pipelines that need to interpret richer inputs alongside natural language.

Independent tracking places the Flash family competitively across common evaluation categories, with a composite ranking that keeps it within reach of larger frontier models while preserving a leaner footprint. Reported benchmark standing covers tool calling, vision, reasoning, coding, long context, and math evaluations, giving a balanced view of where the model is strongest and where trade-offs remain. Coding-focused results are particularly notable, with the Next variant described as outperforming heavyweight systems on tests such as SWE-bench, while the architecture's reported training efficiency, costing roughly a ninth of its predecessor, signals a focus on scalable deployment. Together, these traits make the Flash tier a practical choice for teams that want modern Qwen capabilities in a lighter, more economical form.

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Provider
OpenCode Zen
Model key
qwen3.8-flash
Release date
Aug 26, 2026
Last updated
Aug 26, 2026
AI SDK package
@ai-sdk/anthropic
Input modalities
Output modalities
Capabilities

Cost

Input token cost
$0.15
Output token cost
$0.47

Limits

Output tokens
131,072 tokens
Context window
1,000,000 tokens

Transparent token rates

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Rates are shown per one million tokens. Combined means one million input plus one million output tokens.

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Latest news about Qwen3.8 Flash

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Coverage

Reuters reported on August 26, 2026 that Alibaba's Qwen released Qwen3.8-Flash, a new multimodal model delivering stronger coding and office-task performance while cutting training costs. The article notes that Qwen3.8-Flash supports a default context window of 262,144 tokens, expandable to 1 million tokens, enabling i The same Reuters report confirms that alongside the managed Qwen3.8-Flash release, Qwen open-sourced the weights for Qwen3.8-Flash-Next, allowing the developer community to evaluate an architecture that Qwen said would serve as a prototype for its next-generation Qwen4 model family. The launch was framed as part of Ali

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