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Qwen 3.5 397B

Qwen
by Qwen

Next-gen Qwen 3.5 VLM (400B MoE) brings advanced vision, chat, RAG, and agentic capabilities.

Try in Chat
Free EndpointDownloadableFeb 16, 2026open license13M API calls / 30d

Specifications

Context Length
131K
131,072 tokens
Input Price
Free
per 1M tokens
Output Price
Free
per 1M tokens
Modalities
2
text→text, image+text→text

Capabilities

text generationchatcodereasoningvisionagentic

Tags

MoEvisionragagentic

API Usage

1Router is fully OpenAI-compatible. Just set the base URL and use this model ID:

qwen/qwen3.5-397b-a17b
cURL
curl https://api.1router.com/v1/chat/completions \
  -H "Authorization: Bearer $ROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen3.5-397b-a17b",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'