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Claude Opus 4.8 system prompt leaked

2 items2 sourcesupdated 12d agotrend 0

Claude Opus 4.8's system prompt was publicly leaked on June 4, 2026. As of May 2026, Claude authored over 80% of code merged into Anthropic's codebase, with no signs of the trend slowing despite organizational scaling challenges.

  • Claude Opus 4.8 system prompt leaked on June 4, 2026
  • Over 80% of Anthropic codebase merges authored by Claude as of May 2026
  • Anthropic reports no slowdown in Claude's code contribution rate
  • Organizational challenges exist in absorbing this level of AI-driven productivity