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Cursor releases Grok 4.5 AI model trained with SpaceXAI

By PulseAugur Editorial · [3 sources] ·

Cursor has announced the release of its new AI model, Grok 4.5, developed in partnership with SpaceXAI. This model is described as their most powerful to date and is designed for applications beyond software engineering. Cursor will continue to offer its Composer 2.5 model and plans to release new models of that size in the future. Users can try Grok 4.5 in Cursor with double usage for the first week. AI

IMPACT Introduces a new, more powerful AI model for broader applications beyond software engineering.

RANK_REASON Frontier-lab model release with system card

Read on X — Cursor (AI IDE) →

AI-generated summary · Google Gemini · from 3 sources. How we write summaries →

Cursor releases Grok 4.5 AI model trained with SpaceXAI

COVERAGE [3]

  1. X — Cursor (AI IDE) TIER_1 English(EN) · cursor_ai ·

    Grok 4.5 and Composer are two different model weight classes.

    Grok 4.5 and Composer are two different model weight classes. Composer 2.5 will remain offered, and we will release new models of this size going forward.

  2. X — Cursor (AI IDE) TIER_1 English(EN) · cursor_ai ·

    Try it out in Cursor with double usage for the first week.

    Try it out in Cursor with double usage for the first week. https://t.co/YBKMn66zS1

  3. X — Cursor (AI IDE) TIER_1 English(EN) · cursor_ai ·

    We've partnered with SpaceXAI to train Grok 4.5.

    We've partnered with SpaceXAI to train Grok 4.5. It’s our most powerful model yet and the first we've built for more than software engineering. https://t.co/U4B8Tedl34

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