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Qwen3.5-9B

Qwen3.5-9B is a 9B-parameter, open-weight multimodal foundation model from Alibaba Cloud that delivers strong reasoning, coding, and vision-language performance with a 262K-token native context window.
Core Model
Chat

How to get started 

pip install requestsCode language: Bash (bash)
import requests


api_url = "https://api.regolo.ai/v1/chat/completions"
headers = {
    "Content-Type": "application/json",
    "Authorization": "Bearer YOUR_REGOLO_KEY"
}
data = {
  "model": "qwen3.5-9b",
  "messages": [
    {
      "role": "user",
      "content": "List the steps to bake a chocolate chip cookie, including ingredients, temperatures, and baking time."
    }
  ],
  "reasoning_effort": "low"
}

response = requests.post(api_url, headers=headers, json=data)
print(response.json())
Code language: Python (python)

Output

{
  "id": "chatcmpl-8e6b0afba94eb321",
  "created": 1770233840,
  "model": "hosted_vllm/unsloth/qwen3-8b",
  "object": "chat.completion",
  "choices": [
    {
      "finish_reason": "stop",
      "index": 0,
      "message": {
        "content": "Here’s a step-by-step guide to baking classic chocolate chip cookies, including ingredients, temperatures, and baking time:\n\n---\n\n### **Ingredients**  \n- **Dry Ingredients**:  \n  - 2 1/4 cups all-purpose flour  \n  - 1 tsp baking soda  \n  - 1/2 tsp salt  \n- **Wet Ingredients**:  \n  - 1 cup unsalted butter (softened)  \n  - 1 cup light brown sugar  \n  - 1/2 cup granulated sugar  \n  - 2 large eggs  \n  - 1 tsp vanilla extract  \n- **Add-ins**:  \n  - 2 cups semi-sweet chocolate chips or chunks  \n\n---\n\n### **Steps**  \n\n1. **Preheat the Oven**  \n   - Preheat your oven to **375°F (190°C)**. Line a baking sheet with parchment paper or a silicone mat.  \n\n2. **Cream the Butter and Sugars**  \n   - In a large mixing bowl, beat the softened butter, brown sugar, and granulated sugar until light and fluffy (about 2–3 minutes with an electric mixer).  \n\n3. **Add Eggs and Vanilla**  \n   - Beat in the eggs one at a time, ensuring each is fully incorporated. Stir in the vanilla extract.  \n\n4. **Combine Dry Ingredients**  \n   - In a separate bowl, whisk together the flour, baking soda, and salt.  \n\n5. **Mix Wet and Dry Ingredients**  \n   - Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Avoid overmixing.  \n\n6. **Fold in Chocolate Chips**  \n   - Gently stir in the chocolate chips until evenly distributed.  \n\n7. **Scoop the Dough**  \n   - Using a spoon or cookie dough scoop, form balls of dough (about 1/4 cup each) and place them 2 inches apart on the prepared baking sheet.  \n\n8. **Bake**  \n   - Bake for **9–11 minutes**, or until the edges are golden brown and the centers are just set (cookies will still look slightly underbaked but will firm up as they cool).  \n\n9. **Cool and Serve**  \n   - Let the cookies cool on the baking sheet for 2–3 minutes, then transfer them to a wire rack to cool completely.  \n\n---\n\n### **Tips**  \n- **Texture**: Cookies will be chewy if cooled slightly, but they’ll firm up as they cool.  \n- **Oven Variation**: If your oven runs hot, reduce the temperature by 25°F or check cookies earlier.  \n- **Storage**: Store in an airtight container for up to 5 days or freeze for longer shelf life.  \n\nEnjoy your homemade chocolate chip cookies! 🍪",
        "role": "assistant",
        "reasoning_content": "Okay, the user wants the steps to bake chocolate chip cookies with ingredients, temperatures, and baking time. Let me start by recalling the standard recipe. First, I need to list all the ingredients. Common ones are flour, sugar, butter, eggs, baking soda, vanilla, and chocolate chips. Wait, maybe also salt? Yeah, salt is usually included for balance.\n\nNext, the quantities. Let me think. For a basic recipe, maybe 2 1/4 cups flour, 1 cup butter, 1 cup brown sugar, 1/2 cup white sugar, 2 eggs, 1 tsp vanilla, 1 tsp baking soda, 1/2 tsp salt, and 2 cups chocolate chips. That seems right. Maybe check if some people use granulated sugar instead of brown, but the user didn't specify, so stick with the common mix.\n\nNow, the steps. Preheat the oven first. Typically around 375°F (190°C). Then cream the butter and sugars. Use a mixer or do it by hand. Add eggs and vanilla, mix well. Then the dry ingredients: baking soda, salt, flour. Combine, then fold in chocolate chips. Drop by spoonfuls onto a baking sheet. \n\nBaking time? Usually 9-11 minutes. The cookies should be golden around the edges but still soft in the middle. Let them cool on the pan for a few minutes, then transfer to a wire rack. \n\nWait, maybe mention the cooling step to prevent them from breaking. Also, maybe note that the exact time can vary based on oven, so checking them is important. Also, the temperature might vary slightly, like some recipes use 350°F, but 375 is common for quicker baking. \n\nI should also mention the type of baking sheet—glass or metal. Maybe not necessary, but maybe the user would appreciate that. Also, using a silicone mat or parchment paper to prevent sticking. \n\nLet me structure it step by step, making sure each part is clear. Include the ingredients first, then the steps. Make sure temperatures and times are included. Check for any missing steps, like mixing the dry and wet ingredients properly. Also, maybe a note about the texture—cookies should be chewy or crispy? Typically chewy is preferred, so maybe mention that. \n\nWait, the user didn't ask for texture, just steps, ingredients, temps, and time. So maybe stick to the basics. Also, check if there's any alternative ingredients, but the user probably wants a standard recipe. \n\nOkay, I think that's all. Let me put it all together in a clear, step-by-step manner.\n"
      },
      "provider_specific_fields": {
        "stop_reason": null,
        "token_ids": null
      }
    }
  ],
  "usage": {
    "completion_tokens": 1133,
    "prompt_tokens": 27,
    "total_tokens": 1160
  }
}Code language: JavaScript (javascript)
Benchmark Results

Applications & Use Cases

  • Multimodal chat assistants that understand text, images, and video for customer support, internal tooling, and consumer-facing apps.
  • Long-context document intelligence for contracts, financial reports, legal archives, and technical documentation up to 262K tokens (and beyond with RoPE scaling).
  • Coding copilots for code generation, debugging, and refactoring, leveraging strong scores on LiveCodeBench and other coding benchmarks.
  • Data-augmented research agents that combine tool calling, web or database retrieval, and multi-step reasoning for analysis, planning, and decision support.
  • Vision-language workflows like OCR, UI understanding, report parsing, and infographic Q&A using the unified vision encoder and high OCRBench/MathVision scores.
  • Video understanding pipelines for surveillance, sports, education, or marketing analytics, powered by native video reasoning and strong VideoMME performance.
  • Multilingual enterprise assistants covering 200+ languages and dialects for global organizations, from HR help desks to field operations copilots.
  • Fine-tuned domain models for healthcare, finance, or industrial scenarios, using Qwen3.5-9B as a compact yet strong base for instruction-tuning or LoRA adapters.
  • Synthetic data generation, evaluation, and distillation pipelines, leveraging the open license and strong reasoning to bootstrap smaller or domain-specific models.
  • On-prem and edge-friendly deployments where you need a high-quality 9B model that fits a single high-end GPU while still offering multimodal and agent capabilities.