Qwen

Qwen: Qwen3.5 397B-A17B

stable

Qwen3.5 397B-A17B is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

qwen3.5-397b-a17bqwenreleased Feb 15, 2026
Context
262.1K
tokens
Max output
65.5K
tokens
Input
$0.60
per 1M
Output
$3.60
per 1M

Activity

Daily period usage
Aggregated managed Everstack traffic. Buckets below 5 tenants or 100 requests are withheld.

Providers

ProviderContextInput /MOutput /M

Pricing

ItemPriceUnit
Input$0.60per 1M tokens
Output$3.60per 1M tokens

Performance

Reliability

Compare

Compare usage and performance
Place this model beside up to three other catalog models.

Capabilities

Capabilities
Modalities
Input
Output
Details
Model ID
qwen3.5-397b-a17b
Family
qwen
Status
stable
Knowledge
-
Released
Feb 15, 2026
Gateway Config
API
v1
Auth
DASHSCOPE_API_KEY
Discovery
static
Provider type
static

Quick Start

index.ts
import Everstack from "@everstack/node";const client = new Everstack({  apiKey: process.env.EVERSTACK_API_KEY!,  baseUrl: "https://{instance}.{region}.everstack.ai",});const completion = await client.chat.completions.create({  model: "@qwen/qwen3.5-397b-a17b",  messages: [{ role: "user", content: "Explain vector cache routing." }],});console.log(completion.choices[0]?.message?.content);

Endpoint

Base URL
https://dashscope-intl.aliyuncs.com/compatible-mode/v1
Chat completions
https://dashscope-intl.aliyuncs.com/compatible-mode/v1/chat/completions
Model
qwen3.5-397b-a17b
Auth env
DASHSCOPE_API_KEY

Qwen3.5 397B-A17B FAQ

How much does the Qwen3.5 397B-A17B API cost?

Through Qwen, Qwen3.5 397B-A17B costs $0.60 per 1M input tokens and $3.60 per 1M output tokens.

What is the context window of Qwen3.5 397B-A17B?

Qwen3.5 397B-A17B accepts up to 262.1K tokens of context and returns up to 65.5K output tokens on Qwen.

What can Qwen3.5 397B-A17B do?

Qwen3.5 397B-A17B supports chat, function calling, image input and reasoning. It accepts text, image, video and audio input.

How do I call Qwen3.5 397B-A17B through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @qwen/qwen3.5-397b-a17b. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.