Qwen3.5 397B A17B API in India

Qwen3.5 397B A17B is Alibaba's large open-weight, natively multimodal model, available on unoblox as qwen/qwen3.5-397b-a17b. It takes text and image input, supports reasoning and tools, and bills in rupees.

What Qwen3.5 397B A17B is

Alibaba released Qwen3.5 397B A17B in February 2026. It is a mixture-of-experts model with 397 billion total parameters and 17 billion active per token; it is natively multimodal. Alibaba cites support for 201 languages and a native context of 262,144 tokens, which matches the context length listed on unoblox.

The model combines Gated DeltaNet linear-attention layers with sparse mixture-of-experts, per the model card.

Where it fits

• Multilingual assistants covering many languages, relevant for India-focused products.
• Document and image understanding such as charts, forms and screenshots.
• Coding and agent tasks that need tool calls.

Use it as a capable open-weight generalist with vision. For a lighter option, see Qwen3.6 35B A3B; for the newer flagship, Qwen3.8 Max.

₹ pricing for Qwen3.5 397B A17B

On unoblox, Qwen3.5 397B A17B costs ₹43.33 per million input tokens and ₹288.85 per million output tokens. That displayed price is what you are billed per token; nothing is added on top. Cached input tokens are listed at ₹21.18 per million. The model's context length on unoblox is 262,144 tokens.

Model	Input (₹ / 1M tokens)	Output (₹ / 1M tokens)
Qwen3.5 397B A17B	₹43.33	₹288.85
Qwen3.6 35B A3B	₹9.63	₹91.47
Qwen3.8 Max	₹158.87	₹476.69
Qwen3 235B A22B	₹8.67	₹52.96

As a worked example, a month with 20 million input tokens and 4 million output tokens comes to about ₹2,022.00 on Qwen3.5 397B A17B (₹866.60 for input plus ₹1,155.40 for output). Live rates are always on the model page, and each request is rounded up to the nearest paisa.

Calling Qwen3.5 397B A17B from the unoblox endpoint

unoblox is OpenAI-compatible, so any OpenAI SDK works by changing the base URL and key.

curl https://api.unoblox.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_UNOBLOX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen3.5-397b-a17b",
    "messages": [{"role": "user", "content": "Summarise this support ticket in two lines."}],
    "max_tokens": 512
  }'

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_UNOBLOX_API_KEY",
    base_url="https://api.unoblox.ai/v1",
)
resp = client.chat.completions.create(
    model="qwen/qwen3.5-397b-a17b",
    messages=[{"role": "user", "content": "Summarise this support ticket in two lines."}],
    max_tokens=512,
)
print(resp.choices[0].message.content)

For image input, pass an image_url content part:

resp = client.chat.completions.create(
    model="qwen/qwen3.5-397b-a17b",
    messages=[{"role": "user", "content": [
        {"type": "text", "text": "What does this chart show?"},
        {"type": "image_url", "image_url": {"url": "https://example.com/chart.png"}},
    ]}],
    max_tokens=512,
)

Get a key at https://unoblox.ai/sign-in and top up your wallet in rupees.

Notes on parameters, billing and data

Use max_tokens for output limits and image_url parts for images. The model runs at an external provider, so we make no India data-residency claim. unoblox adds rupee pricing, GST invoicing and one endpoint.

Frequently asked questions

Is Qwen3.5 397B A17B available in India? Yes, as qwen/qwen3.5-397b-a17b on https://api.unoblox.ai/v1.

What does A17B mean? About 17 billion parameters are active per token out of 397 billion total.

Does it accept images? Yes, unoblox lists text and image input.

What context length is available? 262,144 tokens on unoblox.

Is it open weight? Yes, Alibaba released it as an open-weight model.

Does it support reasoning and tools? The catalogue lists both.

Get started in rupees → https://unoblox.ai/sign-in