> ## Documentation Index
> Fetch the complete documentation index at: https://docs.venice.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Qwen 3.5 397B API

> Qwen 3.5 397B API on Venice: 128K context, $0.75 input and $4.50 output per 1M tokens. Anonymized access without your identity.

> [accordion] Plain-text specification
>
> ## Qwen 3.5 397B API
>
> Qwen 3.5 397B is a large language model by Alibaba Qwen, available on the Venice API as `qwen3-5-397b-a17b`. Requests are anonymized, so the provider never sees your identity.
>
> Qwen 3.5 is a reasoning model from Alibaba featuring a 397B parameter Mixture-of-Experts architecture with 17B active parameters. It excels at complex reasoning, coding, and general knowledge tasks.
>
> ### Qwen 3.5 397B API pricing
>
> | Model ID | Variant | Privacy | Price |
> | - | - | - | - |
> | `qwen3-5-397b-a17b` | Standard | Anonymized | $0.75 / $4.50 per 1M |
>
> ### Qwen 3.5 397B specifications
>
> | Spec | Value |
> | - | - |
> | Provider | Alibaba Qwen |
> | Released | Feb 16, 2026 |
> | Privacy | Anonymized |
> | Status | Stable |
> | Open weights | Yes |
> | Context window | 128K tokens |
> | Max output | 32K tokens |
> | Reasoning effort | none, low, medium, high |
>
> ### How to use the Qwen 3.5 397B API
>
> Send requests to `POST https://api.venice.ai/api/v1/chat/completions` with `"model": "qwen3-5-397b-a17b"` and your API key.
>
> ```bash theme={"system"}
> curl https://api.venice.ai/api/v1/chat/completions \
>   -H "Authorization: Bearer $VENICE_API_KEY" \
>   -H "Content-Type: application/json" \
>   -d '{
>     "model": "qwen3-5-397b-a17b",
>     "messages": [{ "role": "user", "content": "Explain TEE attestation in two sentences." }],
>     "reasoning_effort": "low"
>   }'
> ```
>
> ### Related models
>
> * [Qwen 3.8 27B API](https://docs.venice.ai/models/qwen-3-8-27b.md): $0.45 / $3.20 per 1M
> * [Qwen 3.6 27B API](https://docs.venice.ai/models/qwen-3-6-27b.md): $0.325 / $3.25 per 1M
> * [Qwen 2.5 7B API](https://docs.venice.ai/models/qwen-2-5-7b.md): $0.05 / $0.13 per 1M
> * [GPT-5.4 Mini API](https://docs.venice.ai/models/gpt-5-4-mini.md): $0.75 / $4.50 per 1M
> * [Grok 4.20 API](https://docs.venice.ai/models/grok-4-20.md): $1.42 / $2.83 per 1M
> * [Grok 4.20 Multi-Agent API](https://docs.venice.ai/models/grok-4-20-multi-agent.md): $1.42 / $2.83 per 1M
> * [GLM 5 API](https://docs.venice.ai/models/glm-5.md): $1.00 / $3.20 per 1M


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