UPDATE 1.0

MESSAGE LIMIT AND CHAT LIMIT

So far I’ve continued an already one VERY long SONNET 3.5 chat within one project full of other chats without hitting the message limit. But I had hit the max chat length limit.

However I have 5 quite long artefacts in this chat and about 6-7 attach docs within the chat. Overall I had an impression that the chat was at least 20% longer than standard project chats in Pro version. FYI: I’m working on writing a book and it was mostly Claude co writer chat for helping out with anything around actual writing. No coding, But I still got artifact errors in formatting and editing,

Thus I had one monthly session out of promised 50 for MAX 20x and it was ok.

I will keep updating this post for you to see how MAX 20x is behaving.

TESTING CLAUDE ON OTHER STUFF TO CHECK IF PROMISED 900 messages in 5 HOURS is BS.

I also have a paid GPT account, use it daily for stuff like formatting long docs etc. But I will see If I can get Claude to do it, since they have promised up to 900 messages an hour.

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UPDATE 2.0

CLAUDE PROJECT DOCUMENT UPLOAD CAPACITY

A fucking joke, can’t upload more that 25% of project documents capacity without getting ”chat is too long” death sentence. I must note that I started a NEW vhat, and it’s not long yet, allthough I have added a bunch of shorter documents directly into the chat.

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UPDATE 3.0

RUNTIME AND SERVER ERRORS. MESSAGE LIMIT, KNOWLEGDE STORAGE CAPACITY

Been working since 09.00. It’s 14.00. Normally I’d have hit message limit TWO TIMES. Not with MAX 20x.

NOT A SINGLE SERVER ERROR OR INTERRUPTION! FLAWLESS.

However project document storage capacity is FUCKED. So much, that I’m rethinking If purchase was worth it. My work requires long context. New chats disrupt whatever context I have accumulated in my long chat, And I need chat context from dosens of previous chats.

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UPDATE 4.0

MOBILE APP ALLOWS FILE UPLOAD TO PROJECT KNOWLEDGE AND CHAT AFTER MAX LENGTH CHAT WARNING”

So there’s a ”bug”. You can STILL CONTINUE CONVERSATION after you get ”this chat has reached max length” IF you continue writing from IOS CLAUDE APP. However this is a fucking joke. How’s anyone supposed to WORK from a phone.

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UPDATE 5.0

CONNECTIVITY

Response time is a bit long however I have NOT hit connection error even ONCE. Also not a single server overload and all that shit. Sonnet 3.7 extended thinking behaves stupid and forgets context all the time .

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UPDATE 6.0

SERVER ERROR AT MAX CONTEXT WINDOW CAPACITY

So this is true. I get interrupted and get a network/server error when I feed Claude docs that max up it’s context window size.

However I haven’t hit message limit even though I used Claude for hours. So MAX 20X is a thing, However context window size is a crime. Anthro won’t get anywhere without stable connection and bigger context.

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UPDATE 7.0

START OF REGULAR SYSTEM ERRORS/INTERRUPTIONS ON 20X PLAN

CONTEXT WINDOW 3.7 w. THINKING IS SHIT

Well, bad news REDDIT. I started getting REGULAR server interruptions and server errors even at CLAUDE MAX 20x plan. Not often, but at least 3-4 times during the day. I guess PRO PLAN users see this much more ofter.

I fucking hate context window limitations. WTF Anthro, get the goddamn 500k out, you have it. Charging 250 usd for 500k within 50 monthly sessions is very reasonable, you greedy fucks.

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UPDATE 8.0

NETWORK CONNECTION ERRORS PILING UP ON MAX 20X PLAN

This gotta be a joke. Service totaly unavailiable at 250 dollars a month. Really? All while bug with smaller context window when uploading same amound of project documents? Anthro this is a straight road to subscription cancellation.

Ok, a LONG artefact written from a LONG LOG HAS BEEN INTERRUPTED (deleted) THREE TIMES by network error. Which means a MASSIVE amount of tokens went to the dogs. Had I been on Pro plan I’d have hit my message limit after those three messages. Which means I’d have paid for something Anthro has never delivered,

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UPDATE 9.0

CLAUDE 3.7 HALLUCINATES LIKE CRAZY AFTER ANTHRO ROLLED OUT DEEP RESEARCH AND CLAUDE CODE FEATURES

This is not the first time! Right after CLAUDE MAX paid plans were rolled out Sonnet 3.7 started hallucinating like crazy! It literally could not retain analyze 100 pages pages of log context in project knowledge. ( I split it in parts) The worst part is that It acknowledged it, apologized, tried again and failed again many times. (Essentially it keps quoting dumb made up details that weren’t in the text) At the end I was forced to use Gemini Pro 2.5 to analyze those 100 pages of text,

One more thing. Just as it did the last time after new plans were introduced Sonnet 3.7 turned into a small unsure thing that gives a statement and then ASKS ME ”AM I RIGHT IN THINKING SO?”

WTF?! How am I supposed to know if I asked it to analyze? And No matter how many times I say ”Stop asking if you’re right, I just need your opinion” it still keeps asking!

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UPDATE 10.0

CONTINUED HALLUCINATIONS OF SONNET 3.7 FEW DAYS LATER AFTER WEB SEARCH AND DEEP RESEARCH ROLLOUT. CHOPPED KNOWLEDGE BASE CAPACITY IN PROJECT STILL REAL

JUST FYI in case you think of subscribing to MAX 20X.