Alibaba Cloud
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Listed February 2026
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Open Weights
Qwen3.5-397B-A17B
Arena #92 • score 1442 ±3
Open Weights model from Alibaba Cloud, listed February 2026. Arena text score 1442 (#92 of 414 entries). $0.50 input / $3.60 output per 1M tokens. 256K tokens context.
Parameters
397B total, 17B active (MoE)
Context Window
256K tokens
Input / 1M tokens
$0.50
Output / 1M tokens
$3.60
Benchmark Results
- Arena Text Elo: 1442 (#92 of 414 on arena.ai · ±3 · 91,190 votes · variant: qwen3.5-397b-a17b)
- AA Intelligence Index: 21.4 (Artificial Analysis v4.3 · best setting: Qwen3.5 397B A17B (Non-reasoning) · checked 2026-10-11)
- AA Coding Index: 48.2 (Artificial Analysis v4.3 · best setting: Qwen3.5 397B A17B (Reasoning) · checked 2026-10-11)
- AA Agentic Index: 8.3 (Artificial Analysis v4.3 · best setting: Qwen3.5 397B A17B (Reasoning) · checked 2026-10-11)