LLM Reference
OpenRouter

Qwen3.5-397B-A17B on OpenRouter

Qwen3.5 · Alibaba

ServerlessOpen Source

Last refreshed 2026-06-15. Next refresh: weekly.

Why use Qwen3.5-397B-A17B on OpenRouter?

OpenRouter offers Qwen3.5-397B-A17B with pay-as-you-go pricing at $0.39/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.

Compare Qwen3.5-397B-A17B across 4 providers to find the best fit for your use case
Input / 1M
$0.39
Output / 1M
$2.34
Cache
Not sourced
Batch
Not sourced

Setup recipe

Docs fallback
Install
Use the provider REST API or SDK
Auth
Create a provider API key
Call
model: qwen/qwen3.5-397b-a17b
Model ID
qwen/qwen3.5-397b-a17b

Request example

Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID qwen/qwen3.5-397b-a17b.

Gotchas

  • Use provider model ID "qwen/qwen3.5-397b-a17b", not the LLMReference slug "qwen3.5-397b-a17b".

Compare Qwen3.5-397B-A17B Across Providers

ProviderInput (per 1M)Output (per 1M)
OpenRouter$0.39$2.34
Together AI$0.60$3.60
Alibaba Cloud PAI-EAS$0.39$2.34
Novita AI$0.60$3.60

Pricing

TypePrice (per 1M)
Input tokens$0.39
Output tokens$2.34

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured Outputs

About Qwen3.5-397B-A17B

Alibaba's largest Qwen3.5 model, featuring a Mixture-of-Experts architecture with 397B total parameters and 17B active per token (using 512 total experts with 10 routed + 1 shared active). Supports 201 languages with a native 262K token context window extensible to 1M tokens via YaRN. Includes a thinking/reasoning mode, tool calling with MCP integration, and unified vision-language capabilities through early fusion training.

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Model Specs

Released2026-02-16
Parameters397B
Context262k
ArchitectureMixture of Experts