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Anthropic's Opus models spark user debate over performance and usage

By PulseAugur Editorial · [12 sources] ·

Users are reporting mixed experiences with Anthropic's Opus models, particularly Opus 5. Some users observe a significant increase in usage consumption with Opus, while others note issues with overconfidence, hallucinations, and ignoring instructions. There are also conflicting reports of sudden improvements in Opus 5's performance and reduced bloat in its responses. Some users suggest Opus 4.8 or Opus 4.6 may be more effective than Opus 5, with one user even proposing a specific system prompt to mitigate Opus 5's perceived negative traits. AI

IMPACT User experiences with Anthropic's Opus models vary, with some reporting increased usage costs and others noting performance issues or improvements, suggesting ongoing tuning and user adaptation.

RANK_REASON User-generated discussion and anecdotal reports about model performance and usage, rather than an official release or benchmark.

Read on r/Anthropic →

AI-generated summary · Google Gemini · from 12 sources. How we write summaries →

Anthropic's Opus models spark user debate over performance and 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
Commentary
User-generated discussion and anecdotal reports about model performance and usage, rather than an official release or benchmark.
Source corroboration
12 independent sources
Strong cross-source corroboration — multiple independent publishers covered this within the clustering window.
Topics
model release, 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
78 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.
Coverage growth since scoring
+2 source(s) since last score
New sources have picked up this story since our last re-score. Score will update on the next scoring pass.

Full methodology in our editorial standards.

COVERAGE [12]

  1. r/Anthropic TIER_1 English(EN) · /u/s243a ·

    I'm really Digging Opus 4.8 for Orchestration

    <!-- SC_OFF --><div class="md"><p>Until recently, my go-to Anthropic models have been Fable 5 until the usage runs out and then Opus 5 as a fallback. This is because for anthropic models I believe the benchmarks have been a good indication of which models are the most capable but…

  2. r/Anthropic TIER_1 English(EN) · /u/Real_Macaron_1880 ·

    Is it just me or is Opus burning through usage insanely fast lately?

    <!-- SC_OFF --><div class="md"><p>I’ve been using Claude a lot for quite a while, and lately Opus feels completely different when it comes to usage.</p> <p>I’m not doing anything crazy. No huge coding projects, no massive files, no absurdly long prompts. Just normal work, convers…

  3. r/Anthropic TIER_1 English(EN) · /u/yaedonnn ·

    ⚠️ Warning: Opus 5 is too overconfident and here’s how to fix it

    <!-- SC_OFF --><div class="md"><p><em>(Please do not attack me or anyone in the comments if you did not read the entire post. DO NOT engage with low effort bait)</em></p> <p>This isn’t a Opus 5 hate post, although it certainly could be turned into one.</p> <p>I spent the last wee…

  4. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Oops, I was running Opus 5 with default settings, and it turns out the default effort is "high". That might explain the over-engineering, misunderstanding of in

    Oops, I was running Opus 5 with default settings, and it turns out the default effort is "high". That might explain the over-engineering, misunderstanding of instructions and the almost unreadable plans because of the verbosity and complex output. I've changed that, and also adde…

    LINKS github.com/…/SKILL.md
  5. r/Anthropic TIER_1 English(EN) · /u/NeedleworkerDull7886 ·

    What's wrong since Opus 4.6 ?

    <!-- SC_OFF --><div class="md"><p>Am I the only one with the impression that Claude performance and effectiveness/cost ratio peaked with Opus 4.6 ?<br /> I miss the excitement on building with sonnet 4.5 up to Opus 4.6 when they were released.<br /> With the latest models , I've …

  6. r/Anthropic TIER_1 English(EN) · /u/Borat_2020 ·

    Has anyone else noticed a sudden improvement in Opus 5 since yesterday?

    <table> <tr><td> <a href="https://www.reddit.com/r/Anthropic/comments/1w13pnu/has_anyone_else_noticed_a_sudden_improvement_in/"> <img alt="Has anyone else noticed a sudden improvement in Opus 5 since yesterday?" src="https://preview.redd.it/th47i7lkq6mh1.png?width=640&amp;crop=sm…

  7. r/Anthropic TIER_1 English(EN) · /u/Jardani_xx ·

    Has Opus 5 improved?

    <!-- SC_OFF --><div class="md"><p>I've noticed that Opus 5 now makes far fewer mistakes than it used to, and the responses aren't as bloated either — earlier it would write entire chapters, but now it feels like it actually understands what I'm asking and gets the task done in on…

  8. r/Anthropic TIER_1 (LV) · /u/Neat_Training5776 ·

    Opus 4.8 vs Opus 5

    <!-- SC_OFF --><div class="md"><p>Hey there, I recently read a post here about Opus 5 not being that great and people still using opus 4.8, isn’t this a myth or is it genuine?</p> <p>I’m a beginner here please pardon my ignorance but I’ve seen this loop repeat before, when opus 4…

  9. r/Anthropic TIER_1 English(EN) · /u/_-kman-_ ·

    Opus 5 problems - try this...?

    <!-- SC_OFF --><div class="md"><p>So I gave this system prompt to a friend of mine and they came back and said &quot;Dude, why's your claude so MEAN?&quot;</p> <p>They showed me a chat where they asked claude to &quot;help them&quot; write something and in the middle of it claude…

  10. r/Anthropic TIER_1 English(EN) · /u/Dragon_God_Slayer ·

    Opus 4.6 is down

    <!-- SC_OFF --><div class="md"><p>They fixed fable but opus 4.6 is down and status website doesn’t reflect any issue.</p> <p>Anyone else facing this problem ?</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Dragon_God_Slayer"> /u/Dragon_God_…

  11. r/ClaudeAI TIER_2 English(EN) · /u/k_kool_ruler ·

    I can't do Opus 5 anymore. Every time I talk with it and try to read it, I literally get so confused. Has anyone figured out how to not make it weird to work with?

    <!-- SC_OFF --><div class="md"><p>I was very excited for Opus 5, and it has done some great work for me, as I have a YouTube channel. It has helped me tremendously with actually being able to make edits on my videos and automate a lot of the dumb editing work I used to have to do…

  12. r/ClaudeAI TIER_2 Nederlands(NL) · /u/alphanumericsprawl ·

    Opus 5 sudden improvement?

    <!-- SC_OFF --><div class="md"><p>Did Claude just go super saiyan, as of 4-5 hours ago? I use Opus 5 extra high as my default and suddenly there's a night and day change in its ability (as well as the amount of time and tokens it put in too, tbh). It went from decent but imperfec…

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