> ## Documentation Index
> Fetch the complete documentation index at: https://langchain.idochub.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Tongyi Qwen

Tongyi Qwen is a large-scale language model developed by Alibaba's Damo Academy. It is capable of understanding user intent through natural language understanding and semantic analysis, based on user input in natural language. It provides services and assistance to users in different domains and tasks. By providing clear and detailed instructions, you can obtain results that better align with your expectations.

## Setting up

```python theme={null}
# Install the package
%pip install -qU  langchain-community dashscope
```

```python theme={null}
# Get a new token: https://help.aliyun.com/document_detail/611472.html?spm=a2c4g.2399481.0.0
from getpass import getpass

DASHSCOPE_API_KEY = getpass()
```

```output theme={null}
 ········
```

```python theme={null}
import os

os.environ["DASHSCOPE_API_KEY"] = DASHSCOPE_API_KEY
```

```python theme={null}
from langchain_community.llms import Tongyi
```

```python theme={null}
Tongyi().invoke("What NFL team won the Super Bowl in the year Justin Bieber was born?")
```

```output theme={null}
'Justin Bieber was born on March 1, 1994. The Super Bowl that took place in the same year was Super Bowl XXVIII, which was played on January 30, 1994. The winner of that Super Bowl was the Dallas Cowboys, who defeated the Buffalo Bills with a score of 30-13.'
```

## Using in a chain

```python theme={null}
from langchain_core.prompts import PromptTemplate
```

```python theme={null}
llm = Tongyi()
```

```python theme={null}
template = """Question: {question}

Answer: Let's think step by step."""

prompt = PromptTemplate.from_template(template)
```

```python theme={null}
chain = prompt | llm
```

```python theme={null}
question = "What NFL team won the Super Bowl in the year Justin Bieber was born?"

chain.invoke({"question": question})
```

```output theme={null}
'Justin Bieber was born on March 1, 1994. The Super Bowl that took place in the same calendar year was Super Bowl XXVIII, which was played on January 30, 1994. The winner of Super Bowl XXVIII was the Dallas Cowboys, who defeated the Buffalo Bills with a score of 30-13.'
```