https://github.com/jeantessier/langchain-ruby-example

An example of using LangChain in Ruby with Langchain.rb
https://github.com/jeantessier/langchain-ruby-example

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An example of using LangChain in Ruby with Langchain.rb

• Host: GitHub
• URL: https://github.com/jeantessier/langchain-ruby-example
• Owner: jeantessier
• Created: 2024-12-13T22:06:28.000Z (9 days ago)
• Default Branch: main
• Last Pushed: 2024-12-19T21:31:48.000Z (3 days ago)
• Last Synced: 2024-12-19T22:38:25.692Z (3 days ago)
• Language: Ruby
• Size: 3.91 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# LangChain Ruby Example

A sample Ruby script that uses LangChain to talk to LLMs.

You’ll need an API key for each LLM.  So just follow the instructions linked

below  to obtain your API keys.

- [OpenAI ChatGPT](https://platform.openai.com/api-keys)

- [Anthropic Claude](https://console.anthropic.com/settings/keys)

- [Google Gemini](https://aistudio.google.com/app/apikey)

Save the keys to the `app/src/main/resources/.env` file as the corresponding

`..._API_KEY` environment variable.  You can use

`app/src/main/resources/.env.template` as a  guide to structure your `.env`

file.

Install packages, if you haven't already.

```bash

bundle

```

## To Run

To run against OpenAI's ChatGPT:

```bash

bundle exec ruby hello.rb --model openai

```

To run against Anthropic's Claude:

```bash

bundle exec ruby hello.rb --model anthropic

```

To run against Google's Gemini:

```bash

bundle exec ruby hello.rb --model google

```

If you don't specify `--model`, it will default to `openai` and use ChatGPT.