Ad Targeting with AI: LLM-Powered Ad Selector in Python & FastAPI
AI-powered ad targeting built with Python FastAPI. Leverages LLMs to analyze website content and user interactions, delivering personalized ads.

In today’s digital landscape, personalization is a key driver of engagement and conversion. This AI/LLM software leverages advanced language models to analyze website pages and chat histories, extracting both context and individual visitor interests. By understanding user behavior and content intent, the platform ensures highly relevant ad recommendations tailored to each visitor.
Based on this analysis, the system dynamically selects the most appropriate ads for each user, delivering personalized content across web pages, mobile interfaces, and React-based applications. Native iOS integration via Swift allows seamless incorporation into mobile chat apps, while backend integration in GoLang supports efficient server-side implementations. The solution adapts to a variety of client environments, enabling versatile deployment scenarios.
The platform’s flexible architecture supports multiple AI/LLM backends, including OpenAI, DeepSeek, Hugging Face, and local Ollama models, allowing clients to select the model that best aligns with their performance, privacy, and cost requirements. Multi-platform SDKs provide seamless integration across plain JavaScript, React, Swift for iOS, and GoLang for backend services, ensuring consistent functionality and real-time personalization across web and mobile applications. Intelligent content parsing and visitor-centric targeting combine to deliver highly relevant ad recommendations, enhancing engagement and maximizing ROI across all user touchpoints.
Key features include:
- Python FastAPI backend: Provides a fast, scalable, and reliable API for seamless integration with front-end and backend systems, supporting high-throughput environments.
- Multi-platform SDKs: Integration options for plain JavaScript and React on web applications, Swift for iOS mobile apps, and GoLang for backend services, enabling consistent functionality across all platforms.
- Flexible LLM/AI backends: Supports multiple language model providers including OpenAI, DeepSeek, Hugging Face, or a local Ollama model, allowing clients to select the model that best fits their data privacy, performance, or cost requirements.
- Intelligent content parsing: Capable of understanding both website content and chat history, extracting meaningful context and user preferences to deliver precise ad recommendations.
- Visitor-centric targeting: Prioritizes user interests over generic metrics, maximizing engagement and return on investment by delivering relevant, timely advertising.
- Scalable architecture: Designed to handle large volumes of users and real-time data processing while maintaining performance and reliability across diverse applications.
This platform demonstrates the potential of AI and LLMs to transform digital advertising by delivering highly personalized experiences at scale, across multiple devices, frameworks, and backend environments, providing both technical flexibility and measurable impact.