Qwen3.5 397B A17B
ActiveThe Qwen3.5 series 397B-A17B native vision-language model is built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. It delivers...
Overview
The Qwen3.5 series 397B-A17B native vision-language model is built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. It delivers...
History
Qwen3.5 397B A17B became available via the Alibaba API on 2026-02-16.
Training & availability
Alibaba has not released the underlying model weights — access is via their hosted API only.
Capabilities
-
Context window: 262K tokens.
-
Input modalities: text, image, video.
Recommended for: vision, long-context.
Pricing
- Input: $0.3900 per 1M tokens
- Output: $2.3400 per 1M tokens
Use the cost calculator above to estimate monthly spend for your workload.
Quick start
Minimal example using the OpenRouter API. Copy, paste, replace the key.
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="sk-or-...",
)
resp = client.chat.completions.create(
model="alibaba/qwen3-5-397b-a17b",
messages=[{"role": "user", "content": "Explain quantum computing in one sentence."}],
)
print(resp.choices[0].message.content)Cost calculator
Estimate your monthly bill. Presets are typical workload sizes.
Popularity
Signals from open-source communities — not a quality measure, but useful for gauging adoption among developers.
Benchmarks
| Benchmark | Score | Source |
|---|---|---|
| GPQA DiamondReasoning | 35.35% accuracy | Third-party llm-stats.com |
| NoLiMaLong context | 73.46% | Third-party llm-stats.com |
Integrations & tooling support
- Tool calling
- Not supported
- Structured outputs
- Not supported
Price vs quality
Mid-tier performance and pricing — standard choice.
- Quality percentile
- 40%
- Effective price
- $1.85/1M
- Pricing breakdown
- $0.39/1M in
$2.34/1M out
Community ratings
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Comments
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