Qwen: Qwen3.5 397B A17B

Public pricingIntelligence 82/100Large memoryVisionDeep thinkingTool use

Qwen: Qwen3.5 397B A17B is a multimodal model for vision-language understanding. It combines multimodal input handling and image understanding with a 262K tokens context window and a balanced-cost profile. Use it for image and video understanding when latency, cost, and throughput matters.

Input

$0.39/1M

Output

$2.34/1M

Cached

$0.20/1M

Batch

$0.30/1M

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What would Qwen3.5 397B A17B cost you?

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Technical specifications

Qwen3.5 397B A17B at a glance.

Memory

262,144

tokens

Max reply

65,536

tokens

Memory tier

Large

an entire book or large codebase

Tokenizer

qwen3

Released

Feb 2026

Training cutoff

Oct 2025

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • mmlu

    88.6

  • mmlu_pro

    87.8

  • aime_2025

    91.3

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick Qwen3.5 397B A17B

  • Multi-step reasoning, research agents, or hard math.
  • Screenshot analysis, image understanding, or document OCR.
  • Agentic workflows that call tools or APIs.
  • Long documents, full codebases, or extensive chat histories.

When to look elsewhere

  • Very latency-sensitive, real-time apps where every millisecond counts.

Alternatives

Similar models to compare.

FAQ

Qwen3.5 397B A17B — the questions we see most.

Pricing, capabilities, alternatives — generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, Qwen3.5 397B A17B costs roughly $123 per month. Input is $0.39 /1M tokens and output is $2.34 /1M tokens.
Qwen3.5 397B A17B has a 262,144-token context window (large memory — an entire book or large codebase). That means you can fit about 49,152 words of input and history in a single call.
Beyond text generation, Qwen3.5 397B A17B supports understanding images, deep step-by-step reasoning, calling functions / tools, strict JSON output, fine-tuning on your own data. It streams replies by default.
Qwen3.5 397B A17B was released in February 2026, with training data cut off around October 2025.
Models in a similar class include Qwen3.6 Plus, Qwen Plus 0728 (thinking), Qwen-Plus. The "Similar models" section below this FAQ links into each.

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