qwen3.5-397b-a17b
LiveQwen3.5-397B-A17B is Alibaba's most capable Qwen3.5 model, a Mixture-of-Experts architecture with 397B total parameters and 17B activated per token. It features a 262K token context window (extensible to 1M with YaRN), thinking/reasoning mode, tool calling with MCP integration, and support for 201 languages. Sets state-of-the-art results on reasoning, coding, math, and multimodal benchmarks.
Modality
Chat
Context window
262K tokens
Max output
16K tokens
Region
US
Published
Jul 21, 2026
Pricing
Input
25.29
EGP per 1M tokens
Output
168.60
EGP per 1M tokens
Use it via the API
qwen3.5-397b-a17b works with any OpenAI-compatible SDK — point the base URL at https://preprod-backend.sovereigneg.com/v1 and use your SovereignEG API key.
Run inference
OpenAI-compatible — POST /v1/chat/completions — drop-in for any OpenAI SDK.
from openai import OpenAI
client = OpenAI(
base_url="https://preprod-backend.sovereigneg.com/v1",
api_key="YOUR_API_KEY",
)
response = client.chat.completions.create(
model="qwen3.5-397b-a17b",
messages=[
{"role": "user", "content": "What are some fun things to do in Cairo?"}
],
)
print(response.choices[0].message.content)import OpenAI from "openai"
const client = new OpenAI({
baseURL: "https://preprod-backend.sovereigneg.com/v1",
apiKey: "YOUR_API_KEY",
})
const response = await client.chat.completions.create({
model: "qwen3.5-397b-a17b",
messages: [
{ role: "user", content: "What are some fun things to do in Cairo?" },
],
})
console.log(response.choices[0].message.content)curl https://preprod-backend.sovereigneg.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "qwen3.5-397b-a17b",
"messages": [
{"role": "user", "content": "What are some fun things to do in Cairo?"}
]
}'Frequently asked questions
How much does qwen3.5-397b-a17b cost?
25.29 EGP per 1M input tokens; 168.60 EGP per 1M output tokens. Billing is metered per token in Egyptian pounds (EGP), with no minimum commitment.
What is the context window of qwen3.5-397b-a17b?
qwen3.5-397b-a17b supports a context window of 262,144 tokens (262K), with up to 16,384 output tokens per response.
Where is qwen3.5-397b-a17b hosted?
qwen3.5-397b-a17b is served from US (US-hosted inference).
How do I use qwen3.5-397b-a17b via the API?
qwen3.5-397b-a17b is available through the OpenAI-compatible SovereignEG API: point your SDK's base URL at https://preprod-backend.sovereigneg.com/v1 and call /v1/chat/completions with model "qwen3.5-397b-a17b" and your API key.
Related models
View all models →qwen2.5-72b-instruct
Alibaba · Chat · 33K context
20.23 EGP / 1M input tokens
qwen3-14b
Alibaba · Chat · 41K context
6.74 EGP / 1M input tokens
qwen3-235b-a22b-instruct-2507
Alibaba · Chat · 262K context
5.06 EGP / 1M input tokens
qwen3-235b-a22b-thinking-2507
Alibaba · Chat · 262K context
12.93 EGP / 1M input tokens