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Qwen 3.5 Plus

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

text + image + file → text · made by Alibaba

$0.4$2.5per Mtok in / out
Vercel AI Gateway · 3 sellers

Sold by 3 ways

SellerLaneRate
Vercel AI Gateway aggregatorstandard$0.4per Mtok in$2.5per Mtok out$0.04per Mtok cached$0.5per Mtok cache writeai-gateway.vercel.sh · read 2026-08-25
ElectronHub aggregatorstandard$0.8per Mtok in$3per Mtok outapi.electronhub.ai · read 2026-09-16
PPIO aggregatorstandard$4per Mtok in$24per Mtok outapi.ppinfra.com · read 2026-09-16

Measured 16 standings

PlaceBoardMetricScore
9thof 23Cl bench — Epoch AIOverall0.198
11thof 17Cl bench life — Epoch AIOverall0.124
38thof 101FrontierMath (Tiers 1-3)mean_score21.034
48thof 65Apex agents — Epoch AIPass@1 score0.136
50thof 72Frontiermath tier 4 — Epoch AImean_score2.083
51stof 123Lmca — Epoch AIScore36.36
55thof 60Vending bench 2 — Epoch AIScore54.4
63rdof 80Simpleqa verified — Epoch AImean_score25.351
64thof 161Dtbench — Epoch AIAccuracy80.53
67thof 127Mystery game puzzles — Epoch AImean_score (none)17
73rdof 222Chess puzzles — Epoch AImean_score22
73rdof 121Webdev arena — Epoch AIArena Score1399.23
76thof 290OTIS Mock AIME 2024-2025mean_score86.667
81stof 112Ale bench — Epoch AIPerformance621.92
88thof 313GPQA Diamondmean_score84.848
282ndof 656Epoch capabilities index — Epoch AIECI Score146.77

About

Qwen 3.5 Plus — a text model from Alibaba, sold by 3 companies from $0.4 in and $2.5 out per million tokens, placed 76th 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 February 2026, trained on material up to April 2025. Its sellers say it can reason step by step and call a tool. The catalogue files it under extract, evaluate, reasoning and agents. Three companies sell it. The cheapest is $0.4 in and $2.5 out per million tokens at Vercel AI Gateway. It has been measured on 16 boards, and stands best at 76th 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
Longest answer
250,000 tokens
Published
February 2026
Knowledge to
April 2025
Licence
not read
Sellers
3
Maker's own price
not read
Price
$0.4 in and $2.5 out per million tokens — Vercel AI Gateway
Boards
16
Best place
76th of 290 — OTIS Mock AIME 2024-2025

Known as 1 name

alibaba/qwen3.5-plus