Qwen3.5-Plus | EmpirioLabs AI Docs

Provider: Alibaba Cloud
Category: Text Generation
Endpoint: POST /v1/chat/completions
Context window: 1M
Served from: Singapore

Multimodal model with hybrid architecture for efficient deep thinking and visual understanding across text, image, and video on a 1M context.

At a glance

Field	Value
Model id	`qwen3-5-plus`
Input modalities	text, image, video
Output modalities	text
Context window	1M
Region	Singapore
Features	vision, web_search, code_interpreter, function_calling, reasoning
New	No
Native inference	No

Pricing

Charge	Spec	Rate
Input	≤256K, per 1M tokens	$0.36 (was$ 0.40)
Input	256K-1M, per 1M tokens	$1.08 (was$ 1.20)
Output	≤256K, per 1M tokens	$2.21 (was$ 2.40)
Output	256K-1M, per 1M tokens	$6.62 (was$ 7.20)
Web Search	per call	$0.015

Example request

$ curl https://api.empiriolabs.ai/v1/chat/completions \
>   -H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \
>   -H 'Content-Type: application/json' \
>   -d '{"model": "qwen3-5-plus", "messages": [{"role":"user","content":"Hello"}]}'

Parameters

Parameter	Type	Required	Default	Description
`temperature`	number	no	`0.7`	Sampling temperature. · Range: 0 – 2
`top_p`	number	no	`0.9`	Nucleus sampling. · Range: 0 – 1
`max_tokens`	number	no	`8192`	Max output tokens. · Range: 1 – 65536
`enable_thinking`	boolean	no	true	Reason step-by-step before answering.
`thinking_budget`	number	no	`32768`	Tokens reserved for thinking. · Range: 1 – 393216
`enable_search`	boolean	no	false	Allow real-time web search via DashScope.
`vl_high_resolution_images`	boolean	no	true	Vision: process images at high resolution. Disable for cheaper/faster vision.
`max_pixels`	number	no	`2621440`	Vision pixel cap. Only when vl_high_resolution_images=false. · Range: 4096 – 16777216
`tool_web_search`	boolean	no	true	Enable the web_search tool.
`tool_web_extractor`	boolean	no	true	Enable the web_extractor tool. Requires tool_web_search=true and enable_thinking=true.
`tool_code_interpreter`	boolean	no	true	Enable the python code-interpreter tool. Requires enable_thinking=true.
`tool_web_search_image`	boolean	no	true	Enable the image-results web search tool.
`tool_image_search`	boolean	no	true	Enable the reverse image-search tool (find similar images).
`video_fps`	number	no	`2`	Frames per second extracted from video input. · Range: 0.1 – 10
`treat_images_as_video`	boolean	no	false	Pack multi-image inputs as a single video sequence (cheaper than separate image inputs).
`disable_formatting`	boolean	no	false	Return raw upstream response.

Live machine-readable schema is also available at GET https://api.empiriolabs.ai/v1/models/qwen3-5-plus.