🤖 Spring Boot Telegram LLM Proxy Bot

A simple yet powerful Telegram bot built with Spring Boot that acts as a proxy to Large Language Models (LLMs) via the OpenRouter API. Users can choose a model using inline buttons directly in Telegram.

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🚀 Features

• ✅ Supports OpenRouter API for LLM access
• ✅ Inline buttons for switching models (/models)
• ✅ Per-user model selection
• ✅ Built with Spring Boot 3.x and Java 17+
• ✅ Uses TelegramLongPollingBot (stable alternative to webhook)

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🧰 Tech Stack

• Java 17+
• Spring Boot
• TelegramBots via JitPack
• OpenRouter.ai API (can be replaced with OpenAI, Mistral, Together.ai, etc.)

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⚙️ Setup and Run

1. Clone the repository

git clone https://github.com/your-username/spring-telegram-llm-bot.git
cd spring-telegram-llm-bot

2. Configure application.yml

Edit src/main/resources/application.yml: telegram:bot:token:YOUR_TELEGRAM_BOT_TOKEN telegram:bot:username:YOUR_BOT_USERNAME open-router:api-key:YOUR_API_KEY

3. Run the bot

./gradlew bootRun