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Claude Opus 5 users report significant performance slowdown

By PulseAugur Editorial · [1 sources] ·

Users of Anthropic's Claude Opus 5 are reporting a significant slowdown in performance, with tasks that previously took minutes now taking over 25 minutes. This issue is impacting productivity for users who rely on the model for work, particularly for generating documents like presentations and spreadsheets. Users are seeking information on whether this is a known issue with Opus 5, a backend change by Anthropic, or a user-side problem, and if there is any indication of a fix. AI

IMPACT Potential decrease in productivity for users relying on Claude Opus 5 for document generation tasks.

RANK_REASON User-reported performance degradation of an existing AI model, not a new release or benchmark.

Read on r/ClaudeAI →

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

Claude Opus 5 users report significant performance slowdown

How we ranked this

Signal score
2 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Commentary
User-reported performance degradation of an existing AI model, not a new release or benchmark.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/ClaudeAI TIER_2 English(EN) · /u/freakjunkie ·

    Has Opus 5 gotten significantly slower for anyone else recently?

    <!-- SC_OFF --><div class="md"><p>I’ve been a Claude Pro user since day one and have been using Opus 5 heavily for my consulting work especially creating PPTs, Excel files and Word docs.</p> <p>Until recently, it was fantastic. Even fairly substantial tasks would usually take a f…

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