OpenAI subsequently added GPT-5.4 mini and nano, the restricted GPT-5.4-Cyber , GPT-5.5 for more autonomous work, GPT-5.5 Instant, and July’s GPT-5.6 Sol, Terra, and Luna models.

OpenAI released Astra to Daybreak's cybersecurity testers first, the first OpenAI model to clear its Critical threshold for finding and exploiting flaws.

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now OpenAI today announced on its developer-focused account on the social network X that third-party ...

OpenAI rolled out ChatGPT for Teens with stronger safeguards, learning-focused modes, study reminders, and tighter protections to promote healthy, age-appropriate use while limiting romantic or emotionally suggestive interactions.