---
schema_version: '1.0'
id: news-20260808-e50976
title: OpenAI、次期モデル「Astra」の一部開発を停止 「Critical」級サイバー ...
url: https://www.itmedia.co.jp/news/article/2608/08/2000000459/
url_hash: e5097619b1634b75b049f3d376af316d07cf3e27381602c041379a74952757a2
canonical_url: https://www.itmedia.co.jp/news/article/2608/08/2000000459
source: bing
category: news/tech
category_raw: technology
region: JP
tags:
- it
- ITmedia
lang: ja
published_at: '2026-08-07T17:00:00Z'
fetched_at: '2026-08-08T03:16:42.877416Z'
updated_at: '2026-08-08T03:16:49Z'
status: published
content_hash: null
content_changed_at: null
license_note: link-only
summary: null
summary_source: null
summary_en: null
entities:
- name: ITmedia Mobile
  type: organization
- name: OpenAI
  type: organization
- name: Astra
  type: artifact
- name: critical cybersecurity threshold
  type: concept
key_facts: []
related: []
related_auto:
- name: 人工知能
  type: concept
  weight: 2.0
- name: Gurman
  type: person
  weight: 2.0
- name: BenchLM.ai
  type: organization
  weight: 1.0
- name: 2026_AI_Index_Report
  type: content
  weight: 1.0
summary_omitted_reason: license_restricted
redistribution: false
topics_en:
- artificial intelligence
- technology
entities_en:
- name: Astra
  type: artifact
- name: critical cybersecurity threshold
  type: concept
- name: IT
  type: concept
- name: ITmedia Mobile
  type: organization
- name: OpenAI
  type: organization
keywords_en:
- artificial intelligence
- Astra
- Critical
- critical cybersecurity threshold
- IT
- ITmedia
- ITmedia Mobile
- OpenAI
- technology
numeric_facts: []
computed_at: null
sanitized_at: '2026-08-20T14:56:50.092484+00:00'
---

# OpenAI、次期モデル「Astra」の一部開発を停止 「Critical」級サイバー ...

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- it / ITmedia

## Details
(本文なし。リンク先参照)

## Source
元記事: [OpenAI、次期モデル「Astra」の一部開発を停止 「Critical」級サイバー ...](https://www.itmedia.co.jp/news/article/2608/08/2000000459/) — published 2026-08-07T17:00:00Z
