Qwen

Qwen3.5 Flash

CTX1M

64Quality

Reasoning · Vision · Tools

Input$0.10/M

Output$0.40/M

Qwen vision-language model for visual reasoning, documents, and agent tasks

PaidProprietary798/1040

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QwenTextCommon

Qwen3.5 Flash

Qwen vision-language model for visual reasoning, documents, and agent tasks

qwen3.5-flash

Type: Text
Quality: 64 · Top 36% on the Epoch Capabilities Index
Context window: 1,000,000 tokens
Max output: 65,536 tokens
Input price: $0.10 / 1M tokens
Output price: $0.40 / 1M tokens
Cache read: $0.01 / 1M tokens
Cache write: $0.13 / 1M tokens
Released: Feb 23, 2026
Knowledge cutoff: —
Takes in: Text, Image, Video
Puts out: Text
Reasoning: Yes
Tool calling: Yes
Structured output: Yes
File attachments: Yes
Access: Paid
License: Proprietary
Rarity: Common
Set number: 798/1040

Open Qwen docs Quality 64 Where to run it 12 Evolution 2/5 Meet its creature Battle GLM-4.7-FlashX

Weights aren’t public. Use is governed by Qwen’s terms. Specs from models.dev, last changed Oct 18, 2026. Official source: www.alibabacloud.com.

How good is it?

Public leaderboard scores for Qwen3.5 Flash, refreshed daily from Epoch AI and LMArena.

Top 36% of the 277 models on the Epoch Capabilities Index: #99.

Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.

Leaderboards

Epoch Capabilities Index#99 of 277
One number fitted from dozens of hard benchmarks, from science questions to agentic coding.143.8 index
Listed as Qwen 3.5 Flash (hosted 35B-A3B)
LMArena Text#157 of 416
People compare two anonymous answers and vote for the better one.1,397 rating
LMArena Text · Coding#161 of 411
The text arena’s coding prompts only.1,412 rating
LMArena Text · Math#146 of 400
The text arena’s math prompts only.1,408 rating
LMArena Text · Creative writing#177 of 414
The text arena’s creative writing prompts only.1,343 rating
LMArena WebDev#132 of 144
Each model builds a web app from the same prompt; people pick the better one.1,244 rating

Benchmarks Epoch AI runs

Scores from Epoch AI and LMArena, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits

Where to run it

12 providers sell Qwen3.5 Flash through an API. Prices are per million tokens, cheapest first.

CheapestKilo Gateway$0.065 in · $0.26 out
From the labAlibaba$0.10 in · $0.40 out

API providers

Provider	Input	Output	Context
Kilo GatewayCheapest paid`qwen/qwen3.5-flash-02-23`	$0.065	$0.26	1M
OpenRouter`qwen/qwen3.5-flash-02-23`	$0.065	$0.26	1M
AIHubMix`qwen3.5-flash`	$0.028	$0.28	1M
Alibaba (China)`qwen3.5-flash`	$0.029	$0.29	1M
Merge Gateway`qwen/qwen3.5-flash`	$0.029	$0.29	1M
EmpirioLabs AI`qwen3-5-flash`	$0.09	$0.37	1M
AlibabaOfficial`qwen3.5-flash`	$0.10	$0.40	1M
NanoGPT`qwen/qwen3.5-flash`	$0.10	$0.40	992K
Ofox`qwen/qwen3.5-flash`	$0.10	$0.40	1M
OrcaRouter`qwen/qwen3.5-flash`	$0.10	$0.40	1M

Show 2 more providers

Provider	Input	Output	Context
Vercel AI Gateway`alibaba/qwen3.5-flash`	$0.10	$0.40	1M
ZenMux`qwen/qwen3.5-flash`	$0.10	$0.40	1.02M

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

Qwen3.5 Flash

Qwen3.5 Flash

How good is it?

Leaderboards

Benchmarks Epoch AI runs

Where to run it

API providers

Face off

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