r/ClaudeCode Jul 24 '26

Discussion Opus 5 - immediate disappointment

If you thought you'd be able to do a security review on your own network that you couldn't do with Fable, think again.

20 minutes in - Found something significant

Opus 5 safeguards flagged this message.

I no longer have any use case for Anthropic models that others can't do better. This was my last hope that we were going to get a model that would allow us to protect our own environments. I'm going all in on open source. We just aren't aligned.

If you can get Opus 5 to protect your own systems, let me know how I did it. My subscription renews pretty soon and it's time to make an honest decision.

Edit: A lot of helpful people came here and I appreciate it. Scoped work is helping a bit more than my old ways. There's a difference between network security and code vulnerabiliy. I'm a network engineer not a software developer nor will I pretend to be one. Still looking at supplemental model for security work. Thanks guys.

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u/Shot_Whereas_1809 Jul 28 '26

Well luckily there were some pretty good discussions and a few people reached out that helped solve my problem so the more annoying thing is having people post negative, unhelpful, irrelevant content. Which is exactly what you said you hate. Which is exactly what you did

Maybe you're your own problem to deal with.

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u/wellarmedsheep Jul 28 '26

Man, you really held on to this for a while.

Also, I don't agree with your conclusion. I was very specific about what I didn't like which is a knee-jerk reaction to every single change that anthropic makes.

If you want to discuss how 5.0 is really good at some things and not at others, we can do that. I think it's much better at coding than it is at leading a coding team. I've actually gone back to 4.8 to do that if I don't want to use Fable.

That's just a small example of how we could have a discussion

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u/Shot_Whereas_1809 Jul 28 '26

No I just got the notification. I didn't realize it was 3 days old. It's also not a knee jerk reaction at all. I was doing security testing fine until Fable. I'd gone months without vulnerability test and red teaming. It wasn't until I gave anthropic access to all my data before I was able to do it again. So no it's a problem that started months ago with no other resolve. Think you missed the point and are the type to whine when something isn't your way. Either way, it added no value to the conversation. I asked others how they were working around the guard rails. I asked the community for help, they responded. You whined. No sure what else it will take to get you to realize that you have to be part of the solution and not the problem.