The fallout seems to be taking the form of increased user activity for Claude over ChatGPT as signups hit record numbers for Anthropic. As of the end of February 2026, OpenAI reported 900 million ...
Anthropic has dethroned OpenAI atop the US app stores on the heels of its CEO Dario Amodei's refusal to back down to the Pentagon.
New ChatGPT 5.4 Model Is 'Built for Agents.' Will It Lure Back Claude Converts?
Claude suffers a string of service outages as an an influx of users leaving rival ChatGPT overwhelm its infrastructure.