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Qwen3.5-Flash

The Qwen3.5 native vision-language Flash models are built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency.

text + image + file → text · made by Alibaba

$0.065$0.26per Mtok in / out
Nous Research · 3 sellers

Sold by 3 ways

SellerLaneRate
Nous Research aggregatorstandard$0.065per Mtok in$0.26per Mtok outinference-api.nousresearch.com · read 2026-09-12
OpenRouter aggregatorstandard$0.065per Mtok in$0.26per Mtok outopenrouter.ai · read 2026-08-24
Vercel AI Gateway aggregatorstandard$0.1per Mtok in$0.4per Mtok out$0.01per Mtok cached$0.12per Mtok cache writeai-gateway.vercel.sh · read 2026-08-25

Measured 17 standings

PlaceBoardMetricScore
50thof 127Mystery game puzzles — Epoch AImean_score20
50thof 60Vending bench 2 — Epoch AIScore462.685
52ndof 161Dtbench — Epoch AIAccuracy82.93
60thof 105Vectara Hallucination LeaderboardHallucination Rate10.5
62ndof 72Frontiermath tier 4 — Epoch AImean_score0
64thof 101FrontierMath (Tiers 1-3)mean_score6.207
66thof 80Simpleqa verified — Epoch AImean_score20.32
68thof 123Lmca — Epoch AIScore29.14
78thof 222Chess puzzles — Epoch AImean_score21
83rdof 106Frontiermath tiers 1 3 v2 — Epoch AImean_score (none)18.246
89thof 290OTIS Mock AIME 2024-2025mean_score84.444
108thof 112Ale bench — Epoch AIPerformance221.8
110thof 313GPQA Diamondmean_score82.323
114thof 121Webdev arena — Epoch AIArena Score1238.12
118thof 128LMArena · WebDevScore (Elo)1238
152ndof 402LMArena · TextScore (Elo)1397
352ndof 656Epoch capabilities index — Epoch AIECI Score (none)144.03

About

Qwen3.5-Flash — a text model from Alibaba, sold by 3 companies from $0.065 in and $0.26 out per million tokens, placed 89th of 290 on OTIS Mock AIME 2024-2025.

It takes text, images and files and returns text, with a context window of 1,000,000 tokens. It was published in January 2026. Its sellers say it can reason step by step and call a tool. The catalogue files it under extract, reasoning, code and agents. Three companies sell it. The cheapest is $0.065 in and $0.26 out per million tokens at Nous Research. It has been measured on 17 boards, and stands best at 89th of 290 on OTIS Mock AIME 2024-2025.

Every current figure

Maker
Alibaba
Register
model
Takes
text + image + file
Returns
text
Context
1,000,000 tokens
Published
January 2026
Licence
not read
Sellers
3
Maker's own price
not read
Price
$0.065 in and $0.26 out per million tokens — Nous Research
Boards
17
Best place
89th of 290 — OTIS Mock AIME 2024-2025

Known as 3 names

Qwen 3.5 Flashqwen/qwen3.5-flash-02-23alibaba/qwen3.5-flash