---
name: Qwen3.5 397B Fast
slug: qwen-3-5-397b
type: LLM
providers:
  - neuralwatt
description: 'Efficient Qwen model for fast chat, extraction, and high-volume workloads'
tags:
  - open-source
  - llm
  - qwen
  - tool-use
is_open_source: true
context_window: 262128
max_output: 262128
pricing:
  - image: 0
    input: 0.69
    output: 4.14
    provider: neuralwatt
release_date: '2026-02-01'
capabilities:
  audio: false
  vision: false
  tool_use: true
  citations: false
  reasoning: false
---
Qwen3.5 397B Fast is a LLM model.
Efficient Qwen model for fast chat, extraction, and high-volume workloads