Qwen3.5 397B-A17BOpen
Alibaba · released Feb 9, 2026
Open-weights Qwen MoE flagship with 17B active parameters.
23.9
Podium Score
#448 of 673
1442
Arena Elo
75 on Arena
71 t/s
Output Speed
$2/M
Output Price
$0.5/M in
262.1K
Context Window
Scores by Source
Category Scores
💰 Value97.0
📜 Long Context87.5
📐 Math45.3
📚 Knowledge29.2
🧠 Reasoning29.0
💻 Coding11.5
⚡ Speed10.2
🤖 Agentic0.0
Benchmark Results
Ifeval92.6%
Multilingual MMLU88.5%
GPQA Diamond88.4%
MMLU-Pro87.8%
SWE-Bench Verified76.4%
Browsecomp69%
Toolathlon38.3%
Humanity’s Last Exam28.7%
Model Details
| Release date | Feb 9, 2026 |
|---|---|
| Parameters | 397B (17B active MoE) |
| License | Open Weights |
| Context Window | 262,100 tokens |
| Input Price | $0.5/M |
| Output Price | $2/M |
| Output Speed | 71 t/s |
| Time to First Token | 2 ms |