Unverified50% confidenceFactExact time

Before the launch of Claude Code in early 2025, the proportion of AI-written code in Anthropic's codebase was still in the single digits.

1

Sources

50%

Confidence

Medium-term (~90 days)

Relevance

7/2/2026

First Seen

Valid until: 9/30/2026

Sources

AI Is Now Building AI: Is Anthropic's Warning Genuine Concern or Business Strategy?

bilibili诸葛成佛丶6/6/2026

Related Claims

UnverifiedClaude Code was born in late 2024, initially handling only 10%-20% of code writing69% similar UnverifiedThe initial version of Claude Code could only handle about 10–20% of coding work68% similar VerifiedClaude Code 是 Anthropic 推出的命令行 AI 编程工具68% similar

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