Alibaba Cloud
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Listed February 2026
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Open Weights
Qwen3.5-27B
Arena #151 • score 1409 ±4
Open Weights model from Alibaba Cloud, listed February 2026. Arena text score 1409 (#151 of 414 entries). $0.26 input / $2.60 output per 1M tokens. 256K tokens context.
Parameters
27B (dense)
Context Window
256K tokens
Input / 1M tokens
$0.26
Output / 1M tokens
$2.60
Benchmark Results
- Arena Text Elo: 1409 (#151 of 414 on arena.ai · ±4 · 28,677 votes · variant: qwen3.5-27b)
- AA Intelligence Index: 22.9 (Artificial Analysis v4.3 · best setting: Qwen3.5 27B (Reasoning) · checked 2026-10-11)