Unverified: over 90% of Anthropic core codebase merges now written by Claude
FinanceYF5 · x · 2026-11-10
The unverified thread claims over 90% of merged changes in Anthropic's core codebase are now written by Claude, with humans directing and reviewing. An attached benchmark table shows Fable 5.2 allegedly leading across agentic coding (49.1%), scientific research (74.6%), cybersecurity (76.3%), and robotics sim (64.9%) versus Fable 5.1, Opus 5.5, GPT-6 Astra, and Gemini 4 Carbon.
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