---
schema_version: '1.0'
id: news-20260709-c5fe4e
url: https://x.ai/news/grok-4-5
url_hash: c5fe4e158440bf6accd86d9ebefe93caad92a136cad1fceb289cb91c5ba6cc44
canonical_url: https://x.ai/news/grok-4-5
source: HackerNews
category: news/tech
category_raw: tech
region: usa
tags:
- it_general
- it_tech
- it_ai
lang: en
published_at: '2026-07-09T00:25:13Z'
fetched_at: '2026-07-09T00:28:14Z'
updated_at: '2026-07-09T00:29:41Z'
status: published
content_hash: null
license_note: link-only
summary: null
summary_source: null
summary_en: null
entities:
- name: it_general
  type: concept
- name: it_tech
  type: concept
- name: it_ai
  type: concept
- name: Grok 4.5
  type: artifact
key_facts: []
related: []
related_auto:
- name: Roost
  type: content
  weight: 1.0
- name: QuantumDiamonds
  type: organization
  weight: 1.0
- name: Elon Musk
  type: person
  weight: 1.0
- name: SpaceXAI
  type: organization
  weight: 1.0
title: Grok 4.5
---

# Grok 4.5

## 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_general / it_tech / it_ai

## Details
(本文なし。リンク先参照)

## Source
元記事: [Grok 4.5](https://x.ai/news/grok-4-5) — published 2026-07-09T00:25:13Z