Qwen: 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.

Context
1M
Max output
66K
Input price
$0.07/1M tokens
Output price
$0.26/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode

Details

Model IDqwen/qwen3.5-flash-02-23
Provider OpenRouter
Creator Qwen
Familyqwen3.5
License—
Status—
Typechat
Input modalitiestext, image, video
Output modalitiestext
Open weight—
Parameters—
Architecture—
Context window1M tokens
Max input—
Max output66K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.07
Output
$0.26
Cache write
—
Cache read
—
Batch in
—
Batch out
—

Family Comparison: qwen3.5

ModelContextMax outPricing
Qwen: Qwen3.5-Flash1M66K$0.07$0.26
Qwen: Qwen3.5-35B-A3B262K82K$0.14$1
Qwen: Qwen3.5-9B (batch)262K236K$0.17$0.25
Qwen: Qwen3.5-9B262K236K$0.17$0.25
Qwen: Qwen3.5-122B-A10B262K66K$0.26$2.08
Qwen: Qwen3.5-27B262K82K$0.26$2.6
Qwen: Qwen3.5 Plus 2026-02-151M66K$0.26$1.56
Qwen: Qwen3.5 Plus 2026-04-201M66K$0.3$1.8
Qwen: Qwen3.5 397B A17B262K236K$0.5$3.6

API

GET/v1/models/openrouter/qwen/qwen3.5-flash-02-23