qwen3.5-397b-a17b

apache-2.0397B / 17B

Accepts text, image, and video input. Performs on par with Qwen3 Max for plain text tasks---faster and more cost-effective. Offers significant improvements in multimodal capabilities compared to the Qwen3 VL series.

Context
256K
Max output
64K

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing
Fine-tuning

Details

Provider Qwen
Creator qwen
Familyqwen3.5
Licenseapache-2.0
Status—
Typechat
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters397B / 17B
Architecture—
Context window256K tokens
Max input—
Max output64K tokens
Reasoning tokensYes
Knowledge cutoff—
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

chatPOST
https://dashscope-intl.aliyuncs.com/compatible-mode/chat

Family Comparison: qwen3.5

ModelContextMax outPricing
qwen3.5-122b-a10b256K64K—
qwen3.5-27b256K64K—
qwen3.5-35b-a3b256K64K—
qwen3.5-397b-a17b256K64K—
qwen3.5-livetranslate-flash-realtime———
qwen3.5-ocr———
qwen3.5-omni-flash-realtime262K66K—
qwen3.5-omni-flash262K——
qwen3.5-omni-plus-realtime262K66K—
qwen3.5-omni-plus256K——
qwen3.5-plus1M64K—
qwen3.5-flash1M64K$0.1$0.4

API

GET/v1/models/qwen/qwen3.5-397b-a17b