qwen3.5-flash · Qwen
The Qwen3.5 native vision-language Flash series models are designed with a hybrid architecture that integrates linear attention mechanisms and sparse mixture-of-experts models, achieving higher inference efficiency. Compared with the 3 series, the models deliver leapfrog improvements in both pure-text and multimodal performance; they respond quickly and combine inference speed with high performance.
The Qwen3.5 native vision-language Flash series models are designed with a hybrid architecture that integrates linear attention mechanisms and sparse mixture-of-experts models, achieving higher inference efficiency. Compared with the 3 series, the models deliver leapfrog improvements in both pure-text and multimodal performance; they respond quickly and combine inference speed with high performance.
Qwen3.5 Flash has a 1,000,000 token context window.
On AIHubMix, Qwen3.5 Flash costs $0.0282 per million input tokens and $0.282 per million output tokens. Cached input reads are billed at $0.0028 per million tokens.
Qwen3.5 Flash accepts text, image and video input.
Qwen3.5 Flash supports tool calling, function calling, structured outputs, web search, long context and thinking. Per-protocol parameter support is listed in the capability table on this page.
Qwen3.5 Flash is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to qwen3.5-flash — no other code changes needed.
Qwen3.5 Flash is developed by Qwen. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
Qwen3.5 Flash was released on February 23, 2026 by Qwen.
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Use Qwen3.5 Flash via the AIHubMix unified API — one interface for every major LLM.