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SiliconFlow

Qwen3.5 397B-A17B API

SiliconFlow
About

Process massive datasets with Qwen3.5 397B-A17B, featuring an expansive 262K context window for long-document analysis. This model delivers cost-effective pricing at $0.39/1M input and $2.34/1M output tokens, native tool calling support. Access Qwen3.5 397B-A17B via the SiliconFlow API with up to 262K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
No
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
262K

Tokens

Input Limit
262K

Tokens

Max Output
262K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.39
Output
$2.34
Frequently Asked Questions

Qwen3.5 397B-A17B by SiliconFlow costs $0.39 per 1M input tokens and $2.34 per 1M output tokens.

Model Details
ID
Qwen/Qwen3.5-397B-A17B
Provider
SiliconFlow
Family
qwen
Release Date
Feb 15, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
SILICONFLOW_API_KEY
API Base URL
https://api.siliconflow.com/v1
Documentation