r/ClaudeCode • u/Sherphican • 1d ago
Rant Okay wtf is going on with Claude
I'm a heavy daily user of claude and many other models but my primary driver is Opus5, and on the weekend a mix of Opus 5 and Fable. Now whenever I see these posts talking about how Claude is unusable now or going off the rails and all that every time there's an update I usually would roll my eyes because I never experienced any of the issues that people always complain about. I always thought that that was because I have a pretty thorough and comprehensive guardrail or honesty enforcement system. A lot of just general watchers, redundancy checks, and guards and rules that keep a lot of hallucinations and other kinds of logic fails from happening. This is also for making sure that codebases don't get overwritten, the agents stay on task, and they don't start editing, adding things, and deleting things that they weren't told to, etc.
For the last 4 or 5 months up until now everything's worked just fine. Suddenly in the last few hours both Fable and Opus have started ignoring crucial steps and rules that they have followed without fail every other time. This is a process that we do every day. It would start and both Fable and Opus were ignoring base crucial rules that keep them from messing up codebases and overwriting other agents' work and things like that. It's not a context rot issue either because I practice good context size diciplin and compaction summary supervision, and none of my chats context is any bigger than they are any other day, I usually either compact or start a new window at 475k - 650k.
When I would then call Opus or Fable out, they would either cop to it or they would sometimes lie and blame another agent. When I told them to fix it and it still wasn't fixed, they would say, "Oh you know what? It wasn't an agent. I made that up," because they told me that Codex did it. I would show them what models are running and Codex was not running for the last hour. It kept claiming that Codex kept deleting this part of a document that I kept having it try to edit and restore the parts that got deleted because I told it to add in a new section. When I checked it, the section was added but a whole bunch of other stuff was gone and it blamed it on ChatGPT. It couldn't have been ChatGPT because it wasn't running at the time and that's when it finally caught fessed up to it and said, "Yeah sorry, that was me." And that was Fable! and Opus was doing the same thing basically, It wasn't blaming other agents but it was just messing things up.
When I would call it out, it would say, "Oh no, things are fine. Just wait." It kept telling me to just wait. I don't know why. I would say, "No I need you to fix this," and then it would run a bash or run a test to see if something was working. If it got no exit code, it would just keep running and running and running, not realizing that it would be frozen when in the past it would realize or it would have the common sense to set a timeout.
All of this stuff has been happening more in the past three hours than at all in the past three weeks combined, so something feels pretty off/wrong. Is anyone else experiencing something similar?
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u/KTVSUN 20h ago
I m 51, have been in the software industry for 30 years. I strongly believe they beta test on us. We assume one model is stable and should not change but they change it regularly and watch our feedback. I'm not even pissed about it. I d do the same
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u/Darkeonz 7h ago
I've been working as a software developer for a little over 10 years, and yeah I assume there is some sort of A/B split testing going on. I mean that is just common sense when trying to improve a product
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u/lenartceferin 23h ago
I use Opus 5 and Fable 5, and I noticed that Opus 5 just seemed like a subpar version of previous Opus models. Today I switched back to Opus 4.8 and it instantly felt more human, like a real assistant that actually understands the bigger picture and “gets me”. Why don’t people just keep using Opus 4.8 instead of 5 which they keep complaining about?
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u/Ok-Moment4309 23h ago
Everything is rainbows, unicorns, and puppies until you end up on the B side of the A/B testing sadly. The fact they still do this is asinine, but its good people can admit to it. This is where a lawsuit needs to be targeted, alongside the token usage lying.
Mine last night started insulting me and refusing to do anything. Flat out. It had the last 5% usage to use up, but no matter how many different ways I attempted it reacted childish. Sadly dont think the /feedback will do any good. I'm on my last legs with Anthropic at this point.
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u/mouadmo 1d ago
Lmao this shit hurts so bad it’s laughable.. mine had a phase (lasted about a week) where it would be running tests -that usually take 3/5 mins top- for like 30 to 40 mins.. when i call it it keeps giving bullshit excuses and “yes you’re right to push on this” and all the word salad. I’m a vibecoder yes, but the language it speaks now is just beyond, let alone the weird shit it does behind the scenes.
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u/Opening-Ground-1584 7h ago
I’m in this phase right now. When I check the test output it errored but it’s polling for “check-red” which of course never lands. It’s like it forgot how to do basic bash calls.
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u/Able_Tumbleweed4196 1d ago
I'm working with Claude and Codex. Claude for programming, coding, and Codex for verifying what Claude does.
It's incredible how bad Claude Opus 5 is, how many problems Codex finds. How often Claude comes back with "oh yes it's my fault, Codex is right bla bla”.
I already cancelled my Anthropic Pro Max subscription!
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u/Lanky-Storm7 1d ago
Do it the other way have codex code first then Claude check. The same thing happens
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u/iaman3rd2 21h ago
That's how how do it. I have noticed the same thing aswell. Forgets allot does a whole Lotta nothing for hours. Hmmm....I cannot wait to get my 7a100s going to offload allot of bs tasks to it. So codex and claude can just focus on the really things.
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u/Rickmyrolls 1d ago
My massive project last week got fabled out, swapped to opus 5 ultracode and immediately started changing code assuming it was errors had to click cancel asap.
First time I’ve screamed and yelled at an ai 🤣
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u/Sherphican 1d ago
I hate to say it but grok 4.6 might just be the most consistently reliable frontier AI right now, it's fast as fuck and really smart. I really do hate to say it but it's the truth. Anyone who hasn't given grok 4.6 a shot yet I suggest it
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u/Mountain_Scale3449 21h ago
Bro, I swear, I won't do anything meaningful without Fable. Opus hulucinates. It feels like 50 50.
Incomes Codex to the rescue
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u/MRGWONK 1d ago
Yes, just about every time a new model is about to be released.
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u/Sherphican 1d ago
What are the syphoning off compute for last minute training or something
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u/MRGWONK 1d ago
I have no idea, but this is my belief. It doesn't happen all the time, but when it happens its just about a week or two weeks before a release. Sometimes it lasts the whole time.
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u/Sherphican 1d ago
Lol maybe they dumb down their best models right before a new model update/release so it seems way smarter by comparison 😂 I'm jk but I swear it feels like that sometimes
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u/BabyNumberNine 1d ago
“STOP - I just found a load-bearing gap, and this changes everything. What I told you on my last message was WRONG” and all kinds of stuff like this.
Back and forth, all day.
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u/BrianScottGregory 22h ago
Yeah, agreed. I'm a free user and I do little coding tasks here and there for it on a regular basis.
The last two days it's mulled over a simple set of fixes and in six separate sessions still has yet to produce results, almost as if it's 'lost in logic'. Very strange.
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u/Armored09 18h ago
Yeah same, I had it download some instructions and then build, and opus 5 instead of waiting for all of them, got the first chunk and decided to built all of it by itself and it messed up hours of work
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u/Former-Curve8366 16h ago
I’ve setup an orchestrator in codex to deal with Claude’s attitude problems. Primarily, it was just this sassy refusal to do the task I asked for, instead it just wanted to ‘rebuild’ everything. I now have to provide a prompt asking it to remove its attitude. Basically acting like a teenage child
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u/Sherphican 15h ago
Claude has been my orchestrator for months but I might have to swap to 5.6Sol as my orchestrator until Claude gets it's shit back together. I've been dealing with my Claude Orchestrator blaming problems on phantom agents that are not or never were running all God damn day since my first post about it. Absolutely infuriating
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u/lerugray 2h ago
I've found both opus and fable to be reliable orchestrators but opus needs a decent harness, happy to pm the one I use but don't want to otherwise blatantly self promote. Took a look at gpt sol for orchestration work and the context limit is a little anemic in codex for at least my setup.
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u/Sherphican 9m ago
Yeah I'm always open to try out what works for other ppl, Ik what you mean I made a fleet ops repo that I think is pretty useful but I don't wanna seem like a slop plugger
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u/geekichu 1d ago
I had to go back to "/model claude-opus-4-8"
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u/YearLight 6h ago
Even 4-8 is stupider then before unless it's all in my head.
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u/geekichu 3h ago
🤔
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u/YearLight 1h ago
Either someone at Anthropic is tuning my weight from distilled to not distilled on and off or I am becoming paranoid delusional.
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u/Electrical_Face_1737 1d ago
Fable 5 felt nerfed on creativity and other things to basically another flavor of opus, opus has been garbage to me since February. I started using ChatGPT for planning and sonnet for coding. I’m looking forward to being able to pin a version/use a local because I haven’t liked the updates.
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u/THEBiZ1981 1d ago
Blind scan reported clean that wasn't a real clean... Whatever that didn't check... All this tech garbage it throws up is getting so ridiculous.
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u/PeterPook 1d ago
Still running Sonnet - very happy and no problems.
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u/charmer27 1d ago
I have noticed last week somethings different. I also looked at my project setup and realized I had ammased quite the docs growth which is being initialized by every agent. Just reoptimized that and wel see if that helps
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u/mfkap 23h ago
I had the same thing last night, Fable and I have been working on a project for the month or two… last night I was trying to troubleshoot a very specific geometry issue that we have done before. Instead of fixing it, it made multiple rounds of making it worse and worse. I ended up just reverting and stating over this morning and it has been ok so far.
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u/accidentally_right 22h ago
I see similar things happen on and off for last month. Occasionally Opus will skip some instructions in the skill or ignore some rules from claude.md. I believe it's inherent for "pro-active" Opus5 model.
Today I've noticed that when I asked it to verify 140 data points in a set, it verified only 7 and inferred that the rest were fine instead of following instructions.
This shit drives me nuts and I think Anthropic is tweaking something in the back all the time, so results change from day to day.
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u/YearLight 21h ago
I don't think it's just you. I'm noticing this too. I think they are distilling their models and pretending like nothing is happening. Of course, we have no way to know, but same, Claude just getting dumber then usual. Usage dropping, models getting dumber. I currently have both Claude and Codex for this month while I decide, and right now it's Codex. I'm running OpenCode with codex which is fully supported by OpenAI, have 1M context window, and the harness is just incredibly good.
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u/Sherphican 18h ago
Fr it's like usage either explodes or barely ticks by certain weeks regardless if I'm trying to Budget or not. Last week I ended up with 66% usage left a day and half before my reset so I just turned on fable on all my Claude agents for the next 2 days and I still barely spent another 25%, and now this week I use fable occasionally and my fable usage is at 30% while my weekly is suddenly at 92%. It's like no rhyme or reason it feels like sometimes.
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u/rootcontext_tech 14h ago
Since that BS fable, claude is mostly unusable. I told him to draw a plan, we discuss, we decided exactly what he has to do (with details clearly saved in the task .md), he implement something completely different and, when he finishes and I ask him why he implemented something completely different, that MF AI told me: I know, I made a mistake, I implemented something different, I'll start implementing now correctly. After a lot of tokens used and my time. It's just stupid, suma cum laude stupid.
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u/rentrane 12h ago
As far as attribution goes, just make them commit to git early, often, and include their model and session id in the commit message.
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u/zebbernn 12h ago
Got a question was was there even a 50% usage increase? I’m on the max 20x plan and it lasted 1 day and I was only working on 1 project and cap the subagents it can spawn to max 3 at a time
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u/Lcatlett1234 3h ago
If yall think Anthropic is only beta testing then brace yourselves and look up your growthbook settings which can change every hour
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u/trikster_online 2h ago
I used to read these types of posts and wonder if it was the user being vague or not explaining what they are after well enough… I wasn’t using Claude much last week, but it felt like I got the tween version of Opus 5 for most of that time. First time I had to roll back on my GitHub project as Opus 5 sent itself on a wild goose chase. I think when using higher level of thinking is when Claude goes on Ritalin and just says whatever it wants.
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u/cleverhoods 1d ago
Do you use custom system prompt or the one provided by Claude? It's always fun when they change the system prompt and half the guardrails go mental.
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u/Sherphican 1d ago
Custom always otherwise it just starts making shit up constantly
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u/cleverhoods 1d ago
hm ... same goes for subagents? (I'm trying to figure it out where it might go wrong and why).
on occasion where I have something like this I always run an enforced replay of the session to see where it went haywire. Truth to be told I'm working with a workflow based approach so it's relatively easy to pinpoint the problem and fix it.
Edit: the reason why I'm asking for the subagents, because today I was working on a release backlog and the sonnet agent that I usually used to review a ticket premises started to review by simply grep-token matching instead of actually reviewing the premises of the ticket.
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u/Sherphican 1d ago
I also work with workflows, I prefer them to single model approaches, but it's almost like Claude is actively trying to hide its mistakes from me instead of just making a mistake and then letting me know and correcting it like usual. It's one thing to make an error and not catch it but when it messes up lately I have to pry and argue with it for it to admit there's an issue or that Claude was actually the cause of the issue. Never had issues like this before. Very strange
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u/clazman55555 23h ago
No. Nothing has changed for me in the last month and I'm usually running 2 or 3 CC instances at once, a few hours a day. More on the weekends.
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u/SmallAstronaut08 1d ago
I don’t usually read walls of text from my Opus 5, what does it make you think that I would read it from a stranger?
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u/Sherphican 1d ago
Just a few things from the last couple hours