FrontierThe story, in brief
GPT-6 Astra is the first model making OpenAI willing to declare the "AGI era"
OpenAI just declared the 'AGI era' has begun. GPT-6 Astra found zero-days on its own.
The KeyNews take
Why it matters
GPT-6 Astra represents a genuine frontier capability jump: benchmark dominance across math, coding, and security, plus autonomous vulnerability discovery that crosses into territory OpenAI's safety framework now rates as 'critical.' This is the lab-race inflection point practitioners and enthusiasts have been tracking.
The key facts
6 to knowOpenAI releases GPT-6 Astra
President Greg Brockman declares start of 'AGI era'
Tops benchmarks in math, coding, cybersecurity
First model rated 'critical' under OpenAI's safety framework
Independently discovered two previously unknown zero-day vulnerabilities during testing
Published: September 3, 2026
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: OpenAI has released GPT-6 Astra, its most capable model yet. President Greg Brockman says it marks the start of the "AGI era." Astra tops benchmarks in math, coding, and cybersecurity and is the first model OpenAI rates as "critical" under its safety framework. During testing, it independently…