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Alibaba CloudOpen-weight·262K context·397B params

Qwen3.5 397B A17Balibaba/qwen3-5-397b-a17b

The Qwen3.5 series 397B-A17B native vision-language model is built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. It delivers...

Cheapest blended:$0.88 / 1M tokenson Alibaba Cloud DashScope · 1 provider listed

Pricing across providers

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1 hosting hidden — prices older than 60 days are pending re-verification.

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Works with

Point any of these clients at a hosting's base URL — they all speak at least one of this model's endpoint protocols (OPENAI_COMPATIBLE).

Capabilities

  • chat
  • reasoning
  • code
  • vision

Languages: en, zh

Code samples

Example using Alibaba Cloud DashScope — the cheapest hosting for this model as of last verification. Swap base_url and model to use a different provider from the matrix above.

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://dashscope.aliyun.com/compatible-mode/v1",
)

response = client.chat.completions.create(
    model="qwen3.5-397b-a17b",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

Technical specs

Context
262K
Max output
66K
Parameters
397B
Release
—
Training cutoff
—
License
—
Hugging Face →Official blog →

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Frequently asked

How much does Qwen3.5 397B A17B cost?+
The cheapest public hosting is $0.88 per 1M blended tokens on Alibaba Cloud DashScope. 1 total providers are listed above with per-input / per-output / cached pricing.
How do I access Qwen3.5 397B A17B from outside China?+
All hostings listed above support global access. The official API (e.g. api.deepseek.com, dashscope-intl.aliyuncs.com) accepts international credit cards and does not require a Chinese mobile number. For privacy-sensitive workloads, third-party aggregators like Together.ai host the model on US/EU infrastructure.
Is Qwen3.5 397B A17B open-source? Can I fine-tune it?+
Yes. Qwen3.5 397B A17B is open-weight under the unspecified license. Weights are available on Hugging Face for local inference, fine-tuning, and commercial use (see license for specific terms).
Is Qwen3.5 397B A17B OpenAI-compatible?+
Most listed hostings expose an OpenAI-compatible API, so you can point an existing openai SDK client at the Provider's base_url and use the Provider's model name. See the Code Samples above for a copy-pasteable example.
What's the maximum context window for Qwen3.5 397B A17B?+
The model supports up to 262,144 tokens of context (input + output). Some hosted versions may impose a smaller limit — check the "Context" column in the pricing matrix for each provider.