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Codex Engineer Effort

Source
epoch.ai
Author
Epoch AI publications
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Why it matters

Contributor-days estimated at over 24 hours of unassisted work rose from 2% to 8% in a year inside the Codex repo. It is an upper-bound signal of AI uplift among the engineers building a coding .

Terms in this piece · Glossary
  • LLM — A large language model — the neural network behind tools like Claude and ChatGPT, trained on huge amounts of text to predict what comes next.
  • AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
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