Our Blog
The Role of Fine-Tuning in AI Companions
Fine-tuning transforms generic AI models into personalized, emotionally resonant companions. This article explores LoRA, RLHF, and parameter…
Model Choices: Which AI for Your Companion?
Explore the best AI models for companion chatbots: GPT-4, Claude, Llama, and Mistral. Compare personality, empathy, customization, and priva…
How AI Companions Use Large Language Models
Discover how AI companions like VirtFlirt use large language models to create personalized, engaging conversations. Learn the technology beh…
How AI Companions Recall Past Conversations
Discover how AI companions use embedding memory, summary recall, and hybrid techniques to recall past conversations, creating stateful, pers…
Training Data: Where AI Companions Learn From
Explore the journey of AI training data sources—from raw internet text to human feedback RLHF—that shape AI companion personalities. Learn a…
GPU Costs: Running an AI Companion App
Learn the true cost of running an AI companion app, from GPU cost per inference to cloud vs. self-hosted pricing. Includes real-world exampl…
Scaling AI Companions: How Servers Handle Millions of Chats
Discover the engineering behind scaling AI companions: from load balancing and horizontal scaling to GPU orchestration and caching, ensuring…
Open Source vs Proprietary AI Companion Models
Explore the open source vs proprietary AI debate for companion chatbots. Compare Llama vs ChatGPT, learn about AI model licensing, and disco…