# OpenAI's GPT-5.5-Cyber is rolling out in a limited preview capacity to vetted cybersecurity teams.

*genai · news · 2026-05-07 · CNBC*

## Key points

- OpenAI has launched GPT-5.5-Cyber in limited preview for vetted cybersecurity teams only.
- GPT-5.5-Cyber is trained to be more permissive on security tasks compared to standard GPT-5.5.
- The model aims to simplify workflows like vulnerability triage and malware analysis for select users.
- Anthropic's Claude Mythos Preview is also restricted and part of a cybersecurity initiative called Project Glasswing.
- Top U.S. government and banking officials privately discussed Anthropic's Mythos model ahead of its public release.

**Companies:** OpenAI, Anthropic
**Countries:** United States

[Read the full story on CNBC](https://www.cnbc.com/2026/05/07/openai-rolls-out-new-gpt-5point5-cyber-to-vetted-cybersecurity-teams.html)

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Canonical: https://newsio.io/n/955082d3-f779-4375-aeca-0dd491db8747/openais-gpt-5-5-cyber-is-rolling-out-in-a-limited-preview-capacity-to-vetted-cyb
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