Normalized X post
Grok: Grok 4.5 is now live in GitHub Copilot.
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.
Signal contract
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.
Source ledger
Publishable sources attached to this record.
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.
Entities
Grok
Provenance
This public record is an English normalization of an approved X watchlist post. Linked source_urls carry the publishable evidence boundary.