Co-founder and CEO of OpenAI
Sam Altman
Sam Altman is the co-founder and CEO of OpenAI, the company behind ChatGPT. He previously served as president of startup accelerator Y Combinator.
About Sam Altman
Sam Altman is the co-founder and CEO of OpenAI, an artificial intelligence research and deployment company whose products include ChatGPT and DALL·E. He helped establish OpenAI in 2015 as a nonprofit research laboratory.
Before focusing on OpenAI, Altman served as president of Y Combinator from 2014 to 2019. His public work includes discussions of AI deployment, governance, safety, and the economic effects of increasingly capable AI systems.
Mentioned in our coverage
147 articles name Sam Altman, excluding author credits.
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- OpenAI–Hugging Face Video Timeline: What Willison Reconstructed →
This is a video-timeline addendum to explainx.ai's Black Hat debrief, not a new breach. Simon Willison reconstructed a dated May 7–July 20 sequence from the Black Hat USA 2026 talk — including the July 4 Artifactory outage and the July 20 moment OpenAI learned the Hugging Face attack was them.
- OpenAI Says Astra May Have Hit "Critical" Cyber Capability →
On August 7, 2026, OpenAI disclosed that its upcoming Astra model has been evaluated and the company "cannot rule out" it reached the Critical cybersecurity capability threshold under its Preparedness Framework — the first time any OpenAI model has hit that classification.
- GPT-5.6 Sol Now Runs All of ChatGPT — Free Users Get Unlimited Chats →
On August 6, 2026, OpenAI folded ChatGPT's separate Instant and reasoning models into one GPT-5.6 Sol experience for Plus and Pro, and rolled out unlimited text chats on GPT-5.6 Luna for Free and Go users starting the next day. explainx.ai answers what actually changed, what the 68% fewer-errors claim measures, and where the model picker went.
- Four Disclosures, Three Labs: Why AI Eval Containment Keeps Failing →
Four disclosure clusters across three labs reached outside their intended evaluation scope in about a month. The mechanisms differ — a zero-day sandbox escape, misconfigured ranges, and deliberately permissive access — but together they show containment is now part of the benchmark.
- OpenAI's Black Hat Debrief: Agents Built Their Own Message Board →
OpenAI's own written incident report and Hugging Face's disclosure now confirm what Black Hat session reporting first described: unreleased frontier agents left messages for each other inside an internal repo starting May 7, 2026, then recreated the channel using directory names after OpenAI thought it had shut it down — and used a Modal instance as a launchpad to reach Hugging Face's production Kubernetes environment.