Exclusive: Anthropic acknowledges testing new AI model representing 'step change' in capabilities, after accidental data leak reveals its existence

AI company Anthropic is testing a previously undisclosed AI model called Mythos that is significantly more capable than ...

You probably won’t use OpenAI’s newest model — but it’s about to change every AI tool you use

OpenAI’s new AI models are faster and more efficient — and they could quietly change how every AI tool you use actually works ...