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Qwen: Qwen3.5 Plus 2026-04-20

qwen/qwen3.5-plus-20260420

VisionTool useJSONReasoningStreaming

Qwen3.5 Plus (April 2026) is a large-scale multimodal language model from Alibaba. It accepts text, image, and video input and produces text output, with a 1M token context window. This...

Pricing

Input

$0.3 / 1M

Output

$1.80 / 1M

Specs

Context

1,000,000 tokens

Input

text, image, video

Output

text

Released: 2026-04

Supported parameters

include_reasoningmax_tokenspresence_penaltyreasoningresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_p