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Hugging Face

Qwen3.5-397B-A17B API

Hugging Face
About

Build advanced reasoning agents with Qwen3.5-397B-A17B, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.60/1M input and $3.60/1M output tokens, native tool calling support, open weights architecture. Access Qwen3.5-397B-A17B via the Hugging Face API with up to 33K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
262K

Tokens

Input Limit
262K

Tokens

Max Output
33K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.60
Output
$3.60
Frequently Asked Questions

Qwen3.5-397B-A17B by Hugging Face costs $0.60 per 1M input tokens and $3.60 per 1M output tokens.

Model Details
ID
Qwen/Qwen3.5-397B-A17B
Provider
Hugging Face
Family
qwen
Release Date
Feb 1, 2026
Knowledge Cutoff
Apr 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
HF_TOKEN
API Base URL
https://router.huggingface.co/v1
Documentation