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Cursor IDE users report unexpected 'Fast' AI model usage

Users of the Cursor IDE are reporting discrepancies between their configured AI model settings and the actual usage reported by the platform. Specifically, users who have disabled the 'Fast' mode for Composer 2.5 are still seeing 'Fast' usage in their billing and usage reports. This issue persists even when the sub-agents are confirmed to be running on the standard 2.5 model, leading to confusion about the underlying cause. AI

IMPACT Potential confusion for users regarding AI model billing and performance in the Cursor IDE.

RANK_REASON User reports of unexpected behavior in a specific software product.

Read on r/cursor →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Cursor IDE users report unexpected 'Fast' AI model usage

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User reports of unexpected behavior in a specific software product.
Source corroboration
2 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
product, other
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
Standard
On-topic for AI-industry coverage; kept in the public index.
Story freshness
100 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [2]

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

    Cursor still showing Composer 2.5 Fast usage even after disabling Fast

    <!-- SC_OFF --><div class="md"><p>I'm using Cursor Pro exclusively for Composer 2.5. To maximize my usage, I obviously disabled Fast. I also set 2.5 non-Fast under Settings &gt; Agents.</p> <p>Still, I keep seeing Fast usage in the Usage and Billing sections on Cursor's website. …

  2. r/cursor TIER_2 English(EN) · /u/OutrageousTrue ·

    Why is the cursor using Composer 2.5 fast when the chosen model is GPT 5.5?

    <table> <tr><td> <a href="https://www.reddit.com/r/cursor/comments/1uemf5x/why_is_the_cursor_using_composer_25_fast_when_the/"> <img alt="Why is the cursor using Composer 2.5 fast when the chosen model is GPT 5.5?" src="https://preview.redd.it/zu1f6pkz1a9h1.png?width=140&amp;heig…