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revamp getting started

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Harrison Chase
2023-12-22 10:21:50 -08:00
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docs/docs/get_started/quickstart.mdx
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@@ -33,27 +33,36 @@ For more details, see our [Installation guide](/docs/get_started/installation).
### Environment
Using LangChain will usually require integrations with one or more model providers, data stores, APIs, etc. For this example, we'll use OpenAI's model APIs.
Using LangChain will usually require integrations with one or more model providers, data stores, APIs, etc. For this getting started guide, we will provide two options: using OpenAI (a popular model available via API) or using a local open source model.
First we'll need to install their Python package:
<Tabs>
<TabItem value="openai" label="OpenAI" default>
First we'll need to install their Python package:
```bash
pip install openai
```
```bash
pip install openai
```
Accessing the API requires an API key, which you can get by creating an account and heading [here](https://platform.openai.com/account/api-keys). Once we have a key we'll want to set it as an environment variable by running:
Accessing the API requires an API key, which you can get by creating an account and heading [here](https://platform.openai.com/account/api-keys). Once we have a key we'll want to set it as an environment variable by running:
```bash
export OPENAI_API_KEY="..."
```
```bash
export OPENAI_API_KEY="..."
```
If you'd prefer not to set an environment variable you can pass the key in directly via the `openai_api_key` named parameter when initiating the OpenAI LLM class:
If you'd prefer not to set an environment variable you can pass the key in directly via the `openai_api_key` named parameter when initiating the OpenAI LLM class:
```python
from langchain.chat_models import ChatOpenAI
llm = ChatOpenAI(openai_api_key="...")
```
</TabItem>
<TabItem value="conda" label="Conda">
<CodeBlock language="bash">conda install langchain -c conda-forge</CodeBlock>
</TabItem>
</Tabs>
```python
from langchain.chat_models import ChatOpenAI
llm = ChatOpenAI(openai_api_key="...")
```
### LangSmith