# xAI — Biosecurity at the frontier

- Company: xAI (x.ai)
- Announced: 2026-09-01
- Category: safety-policy-update
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://x.ai/news/biosafety-at-the-frontier
- Record: https://forck.live/items/7260-biosecurity-at-the-frontier
- Subject: Grok
- Models affected: Grok 4.6, Grok 4.5, Grok 4.3, Opus 5, GPT-5.6 Sol

xAI announces independent biosecurity evaluations of Grok 4.6 by LatchBio, showing it outperforms other frontier models in refusing hazardous tasks while maintaining routine biological work, and discusses layered safeguards and improvements over previous versions.

## Evidence

Verbatim from https://x.ai/news/biosafety-at-the-frontier:

> Today, LatchBio published an independent analysis of Grok 4.6 on their biological capability and biological red-teaming benchmark suites.

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Record: https://forck.live/items/7260-biosecurity-at-the-frontier
Catalogue: https://forck.live/llms.txt
Current issue: https://forck.live/feed.md