Alibaba
Qwen/Qwen3.5-397B-A17B
Qwen vision-language model for visual reasoning, documents, and agent tasks
Model facts
- Context window
- 262K tokens
- Maximum output
- 66K tokens
- Cheapest paid input
- $0.29 per 1M tokens
- Cheapest paid output
- $1.74 per 1M tokens
- Open weights
- yes
- Providers
- 1
Capabilities and modalities
reasoning, tool calling, temperature control, open weights, text, image, video.
Local hardware estimate
At 4K context: Q4_K_M 214.5 GiB, Q8_0 402.3 GiB, F16 754.6 GiB working memory.
- Parameters
- 403.4 billion
- Architecture
- qwen3_5moe
- Model license
- apache-2.0
Planning estimate adapted from the MIT-licensed whichllm estimator using metadata from Hugging Face; not a vendor minimum requirement.
Observed price history
- 2026-08-24: $0.29 input / $1.74 output per 1M tokens
API providers
- SiliconFlow (China) — model id Qwen/Qwen3.5-397B-A17B; $0.29 input / $1.74 output per 1M tokens; provider documentation