New Delhi, July 12 -- OpenAI CEO Sam Altman and SpaceX chief Elon Musk are once again quarrelling on social media after the launch of the latest ChatGPT model. The latest standoff came shortly after OpenAI released its GPT-5.6 series of AI models, which it claims are not its most advanced to date but perhaps among the best in the industry.

Altman, while taking a dig at Musk on X (formerly Twitter), said that while there are many benchmarks to prove GPT-5.6 Sol is currently the best model out there, the most reliable indicator is perhaps that Musk is attacking him once again.

"There are a lot of benchmarks that suggest 5.6 Sol is the best model in the world right now, but the most reliable way to tell is that Elon is obsessed with me aga...