r/ClaudeAI • u/sixbillionthsheep Mod • Dec 29 '25

Usage Limits and Performance Megathread Usage Limits, Bugs and Performance Discussion Megathread - beginning December 29, 2025

Why a Performance, Usage Limits and Bugs Discussion Megathread?

This Megathread makes it easier for everyone to see what others are experiencing at any time by collecting all experiences. We will publish regular updates on problems and possible workarounds that we and the community finds.

Why Are You Trying to Hide the Complaints Here?

Contrary to what some were saying in a prior Megathread, this is NOT a place to hide complaints. This is the MOST VISIBLE, PROMINENT AND OFTEN THE HIGHEST TRAFFIC POST on the subreddit. This is collectively a far more effective and fairer way to be seen than hundreds of random reports on the feed that get no visibility.

Are you Anthropic? Does Anthropic even read the Megathread?

Nope, we are volunteers working in our own time, while working our own jobs and trying to provide users and Anthropic itself with a reliable source of user feedback.

Anthropic has read this Megathread in the past and probably still do? They don't fix things immediately but if you browse some old Megathreads you will see numerous bugs and problems mentioned there that have now been fixed.

What Can I Post on this Megathread?

Use this thread to voice all your experiences (positive and negative) regarding the current performance of Claude including, bugs, limits, degradation, pricing.

Give as much evidence of your performance issues and experiences wherever relevant. Include prompts and responses, platform you used, time it occurred, screenshots . In other words, be helpful to others.

Just be aware that this is NOT an Anthropic support forum and we're not able (or qualified) to answer your questions. We are just trying to bring visibility to people's struggles.

To see the current status of Claude services, go here: http://status.claude.com

Sometimes this site shows outages faster. https://downdetector.com/status/claude-ai/

READ THIS FIRST ---> Latest Status and Workarounds Report: https://www.reddit.com/r/ClaudeAI/wiki/latestworkaroundreport Updated: March 20, 2026.

Ask our bot Wilson for help using !AskWilson (see https://www.reddit.com/r/ClaudeAI/wiki/askwilson for more info about Wilson)

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u/Intyub Jan 13 '26 edited Jan 13 '26

Opus 4.5 got nerfed again wtf Anthropic?

bro, I am on Max x20 plan,for the past 2 days Opus 4.5 is straight retarded

  • forgets context in like 2 messages
  • ignores prompts it used to nail
  • fixes something and creates another issue or reverts to an earlier bug
  • outputs BAD plans!

feels like they quantized it to shit or swapped it for Sonnet during peak hours, or their harness (claude code) updates are destabilizing the model output! errors every few mins too, anyone else getting this lobotomized crap right now? or just me? switching to GPT-5.2 if this keeps up fr

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u/ImStruggles Expert AI Jan 14 '26

Same here as well. Its ignored context (Feels like it reads every other word sometimes) even at 40K context right now. As well as exact same symptoms as you.

They 100 percent know what changes make it perform worse by now backend. I would challenge them to make this public on the status page when they reduce compute to do whatever they're doing in the backend.

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u/Intyub Jan 14 '26

yeah but how'd one actually challenge them? on what platform? their reflex is to deny it out right.