OpenAI has unveiled the GPT-4.1 series, a lineup of AI language models designed for coding and general-purpose tasks.The series includes three variants - GPT-4.1, GPT-4.1 Mini, and GPT-4.1 Nano - each tailored for specific user needs.The GPT-4.1 series offers improved performance, efficiency, and cost-effectiveness compared to its predecessors.While excelling in coding, the GPT-4.1 series faces challenges in advanced reasoning tasks and is accessible only via API.