Qwen3.5 9B API
About
Build advanced reasoning agents with Qwen3.5 9B, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.09/1M input and $0.13/1M output tokens, native tool calling support, open weights architecture. Access Qwen3.5 9B via the Merge Gateway API with up to 33K output tokens.
Capabilities
Input Modalities
textimage
Output Modalities
text
Reasoning
Yes
Structured Output
Limits
Context Window
262K
Tokens
Input Limit
262K
Tokens
Max Output
33K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.09
Output
$0.13
Frequently Asked Questions
Qwen3.5 9B by Merge Gateway costs $0.09 per 1M input tokens and $0.13 per 1M output tokens.
Model Details
API Integration
NPM Package
merge-gateway-ai-sdk-provider
Environment Variables
MERGE_GATEWAY_API_KEY
API Base URL
https://api-gateway.merge.dev/v1/ai-sdk