Update README.md

README.md

   - [Internationalisation and Localisation](#internationalisation-and-localisation)
   - [Serverless](#serverless)
   - [Configuration](#configuration)
+  - [LLMs](#llms)
   - [Third Party APIs](#third-party-apis)
   - [Extensions](#extensions)
   - [Miscellaneous](#miscellaneous)
 * [Symfony Dotenv](https://github.com/symfony/dotenv)- Parse and load environment variables from `.env` files.
 * [Yo! Symfony TOML](https://github.com/yosymfony/toml) - A PHP parser for [TOML](https://github.com/toml-lang/toml).
 
+### LLMs
+*Libraries for working with Large Language Models.*
+
+* [OpenAI Client](https://github.com/openai-php/client) - OpenAI PHP is a supercharged community-maintained PHP API client that allows you to interact with OpenAI API.
+* [OpenAI Client for Laravel](https://github.com/openai-php/laravel) - OpenAI PHP for Laravel is a supercharged PHP API client that allows you to interact with OpenAI API.
+* [PHP Mistral AI SDK](https://github.com/SoftCreatR/php-mistral-ai-sdk) - A powerful and easy-to-use PHP SDK for the Mistral AI API, allowing seamless integration of advanced AI-powered features into your PHP projects.
+* [LLPhant](https://github.com/theodo-group/LLPhant) - A comprehensive PHP Generative AI Framework using OpenAI GPT 4. Inspired by Langchain.
+* [Instructor for PHP](https://github.com/cognesy/instructor-php) - Structured data outputs with LLMs, in PHP.
+
 ### Third Party APIs
 *Libraries for accessing third party APIs.*