---
schema_version: "newruntime-agent-readable-v0.2"
type: "raw_signal"
stable_id: "signal:grok-grok-4-5-is-now-live-in-github-copilot"
id: "x-2082210184500507049"
slug: "grok-grok-4-5-is-now-live-in-github-copilot"
title: "Grok: Grok 4.5 is now live in GitHub Copilot."
description: "A public X post from Grok with a linked primary source flags Grok 4.5 is now live in GitHub Copilot. Switch from the model picker for frontier intelligence at top speeds."
retrieval_nugget: "A public X post from Grok with a linked primary source flags Grok 4.5 is now live in GitHub Copilot. Switch from the model picker for frontier intelligence at top speeds. This X-discovered record adds fresh evidence to the harness architecture outlives model choice lens and lets the site trend graph move as public product and research signals arrive."
observed_at: "2026-07-28"
record_date: "2026-07-28"
date_kind: "observed_at"
why_it_matters: "This X-discovered record adds fresh evidence to the harness architecture outlives model choice lens and lets the site trend graph move as public product and research signals arrive."
novelty: "structural"
verification_level: "source-linked"
signal_type: "tool"
evidence_kind: "creator-source"
status: "published"
source_platform: "x"
source_record_id: "2082210184500507049"
source_url: "https://x.com/grok/status/2082210184500507049"
topics: ["models","github"]
entities: ["Grok"]
related_patterns: ["harness-architecture-outlives-model-choice"]
source_urls: ["https://x.com/grok/status/2082210184500507049","https://x.ai/news/grok-github-copilot"]
import_batch: "x-analyzer-20260729-084950"
routes: {"html":"https://newruntime.com/signals/grok-grok-4-5-is-now-live-in-github-copilot/","markdown":"https://newruntime.com/signals/grok-grok-4-5-is-now-live-in-github-copilot.md","json":"https://newruntime.com/signals/grok-grok-4-5-is-now-live-in-github-copilot.json"}
source_format: "x-api-normalized-json"
---

# Grok: Grok 4.5 is now live in GitHub Copilot.

## Retrieval answer

A public X post from Grok with a linked primary source flags Grok 4.5 is now live in GitHub Copilot. Switch from the model picker for frontier intelligence at top speeds. This X-discovered record adds fresh evidence to the harness architecture outlives model choice lens and lets the site trend graph move as public product and research signals arrive.

## Observation

A public X post from Grok with a linked primary source flags Grok 4.5 is now live in GitHub Copilot. Switch from the model picker for frontier intelligence at top speeds.

## Why it matters

This X-discovered record adds fresh evidence to the harness architecture outlives model choice lens and lets the site trend graph move as public product and research signals arrive.

## Provenance

This public record is an English normalization of an approved X watchlist post. Linked source_urls carry the publishable evidence boundary.