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xAI releases Grok 4.5, trained alongside Cursor

See how this story connects

Source: xAI: Introducing Grok 4.5

xAI, now SpaceXSI, released Grok 4.5, which it called its smartest model for coding, agentic tasks and knowledge work, and said it was trained alongside the coding company Cursor.

Why it matters

Grok’s coding push now runs through a partnership with one of the most used AI code editors.

When
16 Jul 2026
ID
WTA-N-2026-0175
Who
xAI, Cursor

Summary by wheresthe.ai, from xAI. Checked against the source on 9 Oct 2026.

Read the original at xAI

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: Led toxAI releases Grok 4.6 for long-running agents

Cite this story

WTA-N-2026-0175: “xAI releases Grok 4.5, trained alongside Cursor.” wheresthe.ai, 16 Jul 2026. https://wheresthe.ai/d/xai-grok-4-5-release-2026-07/ (source: xAI: Introducing Grok 4.5).

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