Qwen3.5-Flash API
About
Build advanced reasoning agents with Qwen3.5-Flash, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.07/1M input and $0.26/1M output tokens, native tool calling support. Access Qwen3.5-Flash via the OpenRouter API with up to 66K output tokens.
Capabilities
Input Modalities
textimagevideo
Output Modalities
text
Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
66K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.07
Output
$0.26
Frequently Asked Questions
Qwen3.5-Flash by OpenRouter costs $0.07 per 1M input tokens and $0.26 per 1M output tokens.
Model Details
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1