# xAI releases Grok 4.5, Opus-class coding model with Cursor integration

> xAI has shipped Grok 4.5, and Elon Musk is calling it an Opus-class model, meaning it is meant to play in the same league as the top coding and reasoning systems. On the AA Intelligence Index it lands fourth, above every Gemini model, and it is aimed squarely at coding, agentic tasks, and knowledge work. Two details stand out. First, xAI trained it on real developer session data from Cursor, the popular AI coding editor, which is a bet that learning from actual long codebase sessions produces a model that holds up over lengthy, messy real-world work rather than just short benchmarks. Second, the pricing undercuts the field: two dollars per million input tokens and six per million output, which xAI pegs at roughly sixty percent cheaper than Claude Opus 4.8. It is available in Grok Build, in Cursor across all plans, and through the xAI console. The combination of frontier-adjacent scores and aggressive pricing is the story here. The frontier labs are no longer competing only on raw capability, they are competing on cost per useful token, and Grok 4.5 is leaning hard on that second axis.

_Section: [Daily AI Updates](https://www.wortins.com/daily-ai) · Source: TechCrunch · Published Sunday, July 12, 2026_

## Wortins' read

xAI has shipped Grok 4.5, and Elon Musk is calling it an Opus-class model, meaning it is meant to play in the same league as the top coding and reasoning systems. On the AA Intelligence Index it lands fourth, above every Gemini model, and it is aimed squarely at coding, agentic tasks, and knowledge work. Two details stand out. First, xAI trained it on real developer session data from Cursor, the popular AI coding editor, which is a bet that learning from actual long codebase sessions produces a model that holds up over lengthy, messy real-world work rather than just short benchmarks. Second, the pricing undercuts the field: two dollars per million input tokens and six per million output, which xAI pegs at roughly sixty percent cheaper than Claude Opus 4.8. It is available in Grok Build, in Cursor across all plans, and through the xAI console. The combination of frontier-adjacent scores and aggressive pricing is the story here. The frontier labs are no longer competing only on raw capability, they are competing on cost per useful token, and Grok 4.5 is leaning hard on that second axis.

## Source

[Read the full story at TechCrunch](https://techcrunch.com/2026/07/08/spacexai-releases-grok-4-5-which-elon-describes-as-an-opus-class-model/)

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