X.ai recently announced in a live stream Grok 4.5 release on 8 July 2026.
It is billed as the most powerful model in the market.
Developed by its AI division this year.
It improves coding and finance tasks.
The model is launched simultaneously integration into Cursor as a plugin, reported by Bloomberg and Forbes.
Elon Musk described it as an "Opus-class" system in an interview.
Pricing is set under that of Fable 5 and GPT 5.5, budget‑friendly, according to reports.
The launch follows a series AI updates across its portfolio this period.