Addendum to GPT-5 system card: GPT-5-Codex
TLDR
#Startup, VC Focus
By Hacker News•September 15, 2025•5 min read
WANT YOUR STARTUP FEATURED ON THE TECH BUZZ?
The tech world's most engaged audience
GET FEATUREDAward-winning (Hackernoon)
CES Media Partner
1.1M
Subscribers
56.24%
Avg Open Rate
60+
Brand Placements
#1
Most Engaged
From Hacker News•Startup, VC Focus