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Cursor IDE users report slowdowns in Grok 4.5 and Composer 2.5 models

Users of the Cursor IDE have reported a noticeable slowdown in the performance of first-party models, specifically Grok 4.5 and Composer 2.5. This performance degradation has been observed over the past two to three days, with users experiencing speeds that feel at least twice as slow as usual. The issue is being discussed on Reddit, with users seeking confirmation from others experiencing similar problems. AI

IMPACT Potential user experience issues with AI-powered development tools could impact adoption.

RANK_REASON User reports of performance degradation in a specific software product.

Read on r/cursor →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Cursor IDE users report slowdowns in Grok 4.5 and Composer 2.5 models

COVERAGE [1]

  1. r/cursor TIER_2 English(EN) · /u/Final_Initial ·

    Are first-party models slower for a few days?

    <!-- SC_OFF --><div class="md"><p>It feels like first-party models Grok 4.5 and Composer 2.5 are at least 2x slower in Cursor for the last 2-3 days.</p> <p>Anyone else feels the same?</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Final_Ini…