Alibaba
Qwen/Qwen3.5-9B
Qwen instruction model for multilingual chat, reasoning, and tool use
Model facts
- Context window
- 262K tokens
- Maximum output
- 262K tokens
- Cheapest paid input
- $0.1 per 1M tokens
- Cheapest paid output
- $0.15 per 1M tokens
- Open weights
- yes
- Providers
- 2
Capabilities and modalities
reasoning, tool calling, structured output, temperature control, open weights, text, image, video.
Local hardware estimate
At 4K context: Q4_K_M 6.9 GiB, Q8_0 11.4 GiB, F16 19.8 GiB working memory.
- Parameters
- 9.7 billion
- Architecture
- qwen3_5
- 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: $0.1 input / $0.15 output per 1M tokens
API providers
- SiliconFlow — model id Qwen/Qwen3.5-9B; $0.1 input / $0.15 output per 1M tokens; provider documentation
- SiliconFlow (China) — model id Qwen/Qwen3.5-9B; $0.22 input / $1.74 output per 1M tokens; provider documentation