Qwen3.5 397B A17B
Qwen馃嚚馃嚦
qwen/qwen3.5-397b-a17bQwen3.5 397B-A17B is the largest and first-released model in Alibaba's Qwen3.5 mixture-of-experts generation, targeting flagship-level reasoning, coding, and agentic performance among open-weight models.
Cost rate
0.7x
Context
262K
Released
Feb 16, 2026
Input
TextImageVideo
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Image understanding
#47 路 top 31%
Mathematical
#65 路 top 17%
Life, Physical, & Social Science
#77 路 top 19%
Business, Management, & Finance
#79 路 top 20%
Performance
Median latency and throughput measured across recent requests.
Throughput84 tok/s
Latency