qwen3.5-flash

apache-2.0

Qwen-Flash is the fastest and most cost-effective model in the Qwen series, designed for simple jobs. Qwen-Flash features flexible tiered pricing, resulting in more reasonable billing compared to Qwen-Turbo. Usage \| API reference \| Try online \| Thinking #### International If you select the International deployment scope, model inference compute resources are dynamically scheduled worldwide, excluding the Chinese mainland. Static data is stored in your selected region. Supported region: Singapore.

Context
1M
Max output
64K
Input price
$0.1/1M tokens
Output price
$0.4/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing
Fine-tuning

Details

Model IDalibaba/qwen3.5-flash
Creator Qwen
Familyqwen3.5
Licenseapache-2.0
Status—
Typechat
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters—
Architecture—
Context window1M tokens
Max input—
Max output64K tokens
Reasoning tokensYes
Knowledge cutoff—
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.1
Output
$0.4
Cache write
—
Cache read
—
Batch in
—
Batch out
—

Family Comparison: qwen3.5

ModelContextMax outPricing
qwen3.5-flash1M64K$0.1$0.4
qwen3.5-plus1M64K$0.4$2.4

API

GET/v1/models/vercel/alibaba/qwen3.5-flash

qwen3.5-flash

alibaba/qwen3.5-flash

Qwen-Flash is the fastest and most cost-effective model in the Qwen series, designed for simple jobs. Qwen-Flash features flexible tiered pricing, resulting in more reasonable billing compared to Qwen-Turbo. Usage \| API reference \| Try online \| Thinking #### International If you select the International deployment scope, model inference compute resources are dynamically scheduled worldwide, excluding the Chinese mainland. Static data is stored in your selected region. Supported region: Singapore.

Changes · 3 entries
alibaba/qwen3.5-flashupdateb301ebeMar 23, 2026, 11:47 PM
modalitiesinput["text"]output["text"]
alibaba/qwen3.5-flashupdate2b100acMar 23, 2026, 05:30 AM
model_typechat
tools["function_calling"]
alibaba/qwen3.5-flashcreate7f5c66fMar 21, 2026, 05:16 AM