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routing.run

Qwen3.5 9B Chat API

routing.run
About

Build advanced reasoning agents with Qwen3.5 9B Chat, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.20/1M input and $0.60/1M output tokens, native tool calling support, open weights architecture. Access Qwen3.5 9B Chat via the routing.run API with up to 262K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
262K

Tokens

Input Limit
262K

Tokens

Max Output
262K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.20
Output
$0.60
Frequently Asked Questions

Qwen3.5 9B Chat by routing.run costs $0.20 per 1M input tokens and $0.60 per 1M output tokens.

Model Details
ID
route/qwen3.5-9b-chat
Provider
routing.run
Family
qwen3.5
Release Date
Mar 10, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
ROUTING_RUN_API_KEY
API Base URL
https://api.routing.run/v1
Documentation