Last refreshed 2026-05-11. 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 caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: qwen/qwen3.5-397b-a17bqwen/qwen3.5-397b-a17bRequest example
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
| Provider | Input (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
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.39 |
| Output tokens | $2.34 |
Capabilities
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.
FAQ
What does Qwen3.5-397B-A17B cost on OpenRouter?
On OpenRouter, Qwen3.5-397B-A17B costs $0.39 per 1M input tokens and $2.34 per 1M output tokens.
What is the context window for Qwen3.5-397B-A17B on OpenRouter?
Qwen3.5-397B-A17B supports a 262k token context window on OpenRouter.
How does OpenRouter compare to other Qwen3.5-397B-A17B providers?
Qwen3.5-397B-A17B is available from 4 providers. The cheapest input pricing is $0.39/1M tokens from OpenRouter.
What API model ID do I use for Qwen3.5-397B-A17B on OpenRouter?
Use the model ID qwen/qwen3.5-397b-a17b when calling OpenRouter's API.
Who created Qwen3.5-397B-A17B?
Qwen3.5-397B-A17B was created by Alibaba as part of the Qwen3.5 model family.
Is Qwen3.5-397B-A17B open source?
Qwen3.5-397B-A17B is open source according to the seed data.