L0 · LabsFrontier lab360 file · Birth to now

OpenAI from founding to now: its own record, public attention and milestones

OpenAI month by month, 11,575 Hacker News stories naming it, funding rounds, lawsuits and the IPO filing on one time axis, and which teams publish what.

Birth to now

Dec 2015 to Oct 2026

Attention counts stories whose title names it on Hacker News (query: OpenAI); a few early ones may use the word another way.

On Hacker News

most discussed

Discovery of a new OpenAI agent message board ↗4 Sep 2026 · 2,301 points · 1,603 comments · links to collusion.wiki
OpenAI and Hugging Face address security incident during model evaluation ↗21 Jul 2026 · 1,632 points · 1,157 comments · links to openai.com
Apple sues OpenAI, accuses ex-employees of stealing trade secrets ↗10 Jul 2026 · 1,660 points · 966 comments · links to 9to5mac.com
Astral to Join OpenAI ↗19 Mar 2026 · 1,489 points · 901 comments · links to astral.sh
OpenAI – How to delete your account ↗28 Feb 2026 · 1,929 points · 362 comments · links to help.openai.com
Open models by OpenAI ↗5 Aug 2025 · 2,124 points · 876 comments · links to openai.com
OpenAI O3 breakthrough high score on ARC-AGI-PUB ↗20 Dec 2024 · 1,724 points · 1,755 comments · links to arcprize.org
Leaked OpenAI documents reveal aggressive tactics toward former employees ↗22 May 2024 · 1,791 points · 534 comments · links to vox.com

Public discussion, not the company's words; threads with the most points that name it in the title.

Every figure on this page comes from a named document with the exact sentence it was taken from; open “Exact text in the source” under any line. People appear in public roles from the company's own filings and pages. Not investment advice.