The best AI chatbots of 2026: I tested ChatGPT, Copilot, and others to find the top tools around

I pushed eight free AI chatbots to their limits to find the best AI chatbots of 2026. To explore our top picks, check out ZDNET's chatbot-by-chatbot guide.
IEEE

SEMSF-Net: Explainable Squeeze–Excitation Multiscale Fusion Network for Aerial Scene and Coastal Area Recognition Using Remote Sensing Images

Abstract: Land use and land cover (LULC) classification has played a key role over the last decade for managing the decay of resources and mitigating the impact of population growth. It is used in ...
IEEE

Human Scene Understanding Mechanism-Based Image Captioning for Blind Assistance

Abstract: This paper, a model is proposed that generates descriptive sentences for input images visually impaired individuals. For this purpose, a novel image captioning approach is introduced, ...