ChatGPT offers five deep research queries a month to free users, while Perplexity ’s free plan includes five daily. Copilot, ...

On 7 August 2025, OpenAI officially released ChatGPT-5, calling it the smartest, fastest, and most useful model they’ve built. The timing is significant, with marketing narratives now polarising ...

Google's AI chess tournament ended Thursday with OpenAI’s o3 model sweeping xAI's Grok in four straight games.