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@langchain/openai
Advanced tools
@langchain/openai is an npm package that provides tools and utilities for integrating OpenAI's language models into your applications. It allows you to easily interact with OpenAI's API, enabling functionalities such as text generation, conversation handling, and more.
Text Generation
This feature allows you to generate text based on a given prompt using OpenAI's language models. The code sample demonstrates how to use the `generate` method to create text.
const { OpenAI } = require('@langchain/openai');
const openai = new OpenAI('your-api-key');
async function generateText(prompt) {
const response = await openai.generate({
model: 'text-davinci-003',
prompt: prompt,
max_tokens: 100
});
console.log(response.data.choices[0].text);
}
generateText('Once upon a time');
Conversation Handling
This feature allows you to handle conversations by sending a series of messages to OpenAI's conversational models. The code sample demonstrates how to use the `converse` method to manage a conversation.
const { OpenAI } = require('@langchain/openai');
const openai = new OpenAI('your-api-key');
async function handleConversation(messages) {
const response = await openai.converse({
model: 'gpt-3.5-turbo',
messages: messages
});
console.log(response.data.choices[0].message.content);
}
const messages = [
{ role: 'system', content: 'You are a helpful assistant.' },
{ role: 'user', content: 'What is the weather like today?' }
];
handleConversation(messages);
Custom Fine-Tuning
This feature allows you to fine-tune OpenAI's models with custom training data. The code sample demonstrates how to use the `fineTune` method to train a model with specific data.
const { OpenAI } = require('@langchain/openai');
const openai = new OpenAI('your-api-key');
async function fineTuneModel(trainingData) {
const response = await openai.fineTune({
model: 'text-davinci-003',
training_data: trainingData
});
console.log(response.data);
}
const trainingData = [
{ prompt: 'Translate the following English text to French: "Hello, world!"', completion: 'Bonjour, le monde!' }
];
fineTuneModel(trainingData);
The `openai` npm package is the official OpenAI API client for Node.js. It provides similar functionalities for interacting with OpenAI's models, including text generation, conversation handling, and more. Compared to @langchain/openai, it is the direct client provided by OpenAI and may have more up-to-date features and support.
The `node-openai` package is a community-maintained client for OpenAI's API. It provides basic functionalities for text generation and other interactions with OpenAI's models. It may lack some of the advanced features and optimizations found in @langchain/openai.
FAQs
OpenAI integrations for LangChain.js
The npm package @langchain/openai receives a total of 256,500 weekly downloads. As such, @langchain/openai popularity was classified as popular.
We found that @langchain/openai demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 11 open source maintainers collaborating on the project.
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