Current Limit of AI Automous Coding is a 100,000 Rust Based C Compiler Built in 2 Weeks
Anthropic researcher Nicholas Carlini published a blog post describing how he set 16 instances of the company’s Claude Opus 4.6 AI model loose on a shared codebase with minimal supervision, tasking them with building a C compiler from scratch. Over two weeks and nearly 2,000 Claude Code sessions costing about $20,000 in API fees, the …