Anthropic leaks part of Claude Code’s internal source code
The Antropik logo appears on a smartphone screen with multiple Claude AI logos in the background. Following the release of Claude Opus 4.6 on February 5, Anthropic continues to challenge its main competitors in the generative AI market on February 6, 2026 in Creteil, France.
Samuel Boivin | Nurfoto | Getty Images
Anthropic has leaked some of the internal source code for its popular AI coding assistant Claude Code, the company confirmed on Tuesday.
“No sensitive customer data or personally identifiable information was involved or disclosed,” an Anthropic spokesperson said in a statement. “This was a release packaging issue caused by human error, not a security breach. We are taking precautions to prevent this from happening again.”
The source code leak is a blow to the startup, as it could help give software developers and Anthropic’s competitors insight into how it developed its viral coding tool. An article about X The video, which includes a link to Anthropic’s code, has garnered more than 21 million views since it was shared at 4:23 a.m. ET on Tuesday.
The leak also marks the second major data error Anthropic has suffered in less than a week. Descriptions of Anthropic’s upcoming AI model and other documents were recently discovered in a publicly available data cache. Report from Fortune on Thursday.
Anthropic was founded in 2021 by a group of former OpenAI executives and researchers and is best known for developing a family of AI models called Claude.
The company released Claude Code to the public in May, helping software developers build features, fix bugs, and automate tasks.
Claude Code was widely adopted last year, with run rate revenue reaching over $2.5 billion as of February.
The success of the tool has spurred companies like OpenAI into action. Google and xAI will pour resources into the development of competing offerings.
WRISTWATCH: It is said that the new Anthropic model will bring disruption to the cyber security sector
