OpenAI begins phased rollout of GPT-6 Astra model

OpenAI rolls out GPT-6 Astra model, claiming it surpasses competitors and approaches artificial general intelligence.

3 Sep 2026Private sectorsemafor.com ↗

Summary

OpenAI began releasing GPT-6 Astra in stages on Thursday. The company said the model exceeds Anthropic’s most advanced offerings and comes close to artificial general intelligence. OpenAI described it as its first model to meet the critical cybersecurity capability threshold, limiting initial access to businesses so they can address vulnerabilities. The announcement came amid concerns about frontier AI, regulatory scrutiny of Anthropic’s Mythos release, and new US legislation seeking to pause AI development.