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

Qwen: Qwen3.5 397B A17B supports a context window of 262K tokens.

Is Qwen: Qwen3.5 397B A17B free to use?

Qwen: Qwen3.5 397B A17B is a paid model. It costs $0.500 per million input tokens and $3.60 per million output tokens.

How is LLM API pricing calculated?

LLM pricing has two components: input tokens (everything you send) and output tokens (what the model generates). Total cost = (prompt tokens × input rate + output tokens × output rate) / 1,000,000 × number of requests.

Qwen: Qwen3.5 397B A17B API Pricing — $0.500 Input / $3.60 Output per 1M Tokens

Q: How much does Qwen: Qwen3.5 397B A17B cost?

Qwen: Qwen3.5 397B A17B costs $0.500 per million input tokens and $3.60 per million output tokens via OpenRouter. Pricing was last updated Oct 29, 2026.

Qwen: Qwen3.5 397B A17B by Qwen / Alibaba — $0.500 input / $3.60 output per 1M tokens via OpenRouter. Context: 262K tokens. Pricing last updated Oct 29, 2026.

Input / 1M tokens

$0.500

Output / 1M tokens

$3.60

Provider

Qwen / Alibaba

Context window

262K tokens

Via

OpenRouter

Cost at common usage volumes

Usage	Daily	Monthly
Chatbot (100/day)	$0.475	$14.25
Small app (1K/day)	$2.30	$69.00
Mid-scale (10K/day)	$28.00	$840.00
Large scale (100K/day)	$610.00	$18300.00

Model ID: qwen/qwen3.5-397b-a17b
Data source: OpenRouter public API — updated Oct 29, 2026.

← Full cost calculator Compare models →

About Qwen: Qwen3.5 397B A17B

Qwen: Qwen3.5 397B A17B is an LLM developed by Qwen / Alibaba. Input costs $0.500 per million tokens and output costs $3.60 per million tokens via OpenRouter. It supports a context window of 262K tokens.

Pricing Details

Via the OpenRouter API:

Input tokens: $0.500 per 1 million tokens
Output tokens: $3.60 per 1 million tokens

A token is roughly 0.75 words. For context: a typical user message of 100 words is approximately 133 tokens; a 500-word system prompt is about 650 tokens.

How Much Does Qwen: Qwen3.5 397B A17B Cost?

For a typical chatbot application (1,000 requests/day, 1,000 prompt tokens and 500 output tokens per request):

Daily cost: $2.3000
Monthly cost: $69.000

Accessing Qwen: Qwen3.5 397B A17B via OpenRouter

OpenRouter provides a unified API for 200+ LLMs including Qwen: Qwen3.5 397B A17B. You can use it with any OpenAI-compatible SDK by setting the base URL to https://openrouter.ai/api/v1 and using your OpenRouter API key. The model ID is qwen/qwen3.5-397b-a17b.

Compare Qwen: Qwen3.5 397B A17B with Other Models

Use the AI Model Cost Comparison tool to compare Qwen: Qwen3.5 397B A17B against GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, or any other model side by side. Or use the LLM API Cost Calculator to browse all 456+ models sorted by cost for your specific usage.

Frequently Asked Questions

Yes. Qwen: Qwen3.5 397B A17B is available on OpenRouter with the model ID qwen/qwen3.5-397b-a17b. OpenRouter provides a unified API compatible with OpenAI's SDK format.