The app surged to the top free app on Apple's App Store after Anthropic clashed with the Department of Defense over limits for the technology.

OpenAI's ChatGPT remains the top free app in the U.S. on Apple's rankings, but Claude has steadily gained traction.

The app surged to the top free app on Apple's App Store after Anthropic clashed with the Department of Defense over limits for the technology.

Claude climbs to top of app store charts in US and UK after being blacklisted by Pentagon over ethics concerns