OpenAI announced on Thursday the release of GPT-4o mini, a lite version of its flagship artificial intelligence model, GPT-4o. The company said the new smaller model is its most cost-efficient model yet, costing 60% less than GPT-3.5 Turbo. Also read: ChatGPT-powered teddy bear Poe reads bedtime stories to kids OpenAI said GPT-4o mini aims to