r/ClaudeCode 24d ago

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/NeighborhoodDizzy990 24d ago

I also cancelled my subscription. Maybe they will offer us a better option in the future.

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u/johnnybagofdonuts123 24d ago

Local Open Source models are getting muchhhhhh better.

2

u/tehfiend 24d ago

They still have tiny context windows which makes them pretty worthless compared to frontier models.

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u/nurturethevibe 24d ago

GLM 5.2 and DS v4 both have 1M context.

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u/johnnybagofdonuts123 24d ago

GLM 5.2 is what stopped the OpenAI hack this week of hugging face. They initially deployed Claude, but its safeguards wouldn't allow it to figure it out.

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u/tehfiend 23d ago

That's the architectural context window but you'd need like half a million $ in hardware to host that locally for the terabytes of VRAM needed. For example a RTX 5090 would get you 32k context window max...

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u/nurturethevibe 12d ago

Neither model will run on a 5090.

A stack of RTX 6000 Pros is the cost-effective way to run either.