Expired70% confidenceFactTime unknown
95% of engineers at Anthropic use Claude Code on a daily basis.
1
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Claude Code vs Cursor vs Windsurf：2025年AI编程工具深度对比与选型指南
bilibiliAI进化营-智能译站
Related Entities
Related Claims
UnverifiedThe Anthropic team revealed that 95% of internal engineers are using Claude Code, with only 5% still using Vim or other tools.80% similarUnverified95% of Anthropic's engineers use Claude Code, with only a very small number still using Vim or Cursor.77% similarVerifiedClaude Code is 100% written by Claude Code itself, and Cowork is 100% written by Claude Code.70% similarPartially VerifiedWithin Anthropic, 80% to 90% of code is written by Claude Code, and an increasing number of teams have reached 100%68% similarUnverifiedIn a Y Combinator talk, approximately half of the founders stated that 100% of their code was written using Claude Code.67% similar
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