Qwen: Qwen3.5 Plus 2026-02-15 chat

openrouter
alibaba
The Qwen3.5 native vision-language series Plus models are built on a hybrid architecture that integrates linear attention mechanisms with sparse mixture-of-experts models, achieving higher inference efficiency. In a variety of task evaluations, the 3.5 series consistently demonstrates performance on par with state-of-the-art leading models. Compared to the 3 series, these models show a leap forward in both pure-text and multimodal capabilities.

Capabilities

Context Window 1M tokens
Max Output 65k tokens
Inputs
Outputs

Pricing (per 1M tokens)

Input $0.26
Output $1.56
Cache Read -
Cache Write -

Supported Parameters

include_reasoningmax_tokenspresence_penaltyreasoningresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_p