Expired65% confidenceFactExact time
OpenAI internally once used three people over five to six months to generate more than one million lines of code through Harness Engineering and successfully launched it.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
OpenAI Codex Deep Dive: Core Capabilities and Engineering Design Philosophy
bilibiliAI大模型-阿水6/17/2026
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