Qwen3.5 Plus
Qwen3.5 Plus is developed by Alibaba, released 2026-02-16.
Model ID: qwen3.5-plus
Single public source; verify on the official site; Higher rates apply above a context threshold; see the official site; Thinking-mode output billed separately
Input price
$0.40 / 1M tok
Output price
$2.40 / 1M tok
Blended price
$0.90 / 1M tok
Reasoning-mode output price
$2.40 / 1M tok (not included in blended)
Epoch Capabilities Index (ECI)
No public data yet
Epoch Mock AIME accuracy
86.7%
Epoch AI · as of 2026-02-16
Epoch FrontierMath (T1–3) accuracy
No public data yet
Arena text rating
No public data yet
Arena coding rating (human preference votes, not task accuracy)
No public data yet
Arena math rating
No public data yet
Arena WebDev rating
No public data yet
Official list price from Alibaba, as recorded by
models.dev.
No third-party resale listings for this model in our latest
reseller snapshot.
See all of Alibaba's models on its provider page, or browse the full model directory. Full source licenses and sync dates: /data-sources/.