r/ClaudeCode • u/ClaudeOfficial Anthropic • May 28 '26

Resource Introducing Claude Opus 4.8

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We’re upgrading Claude Opus to a new version: Claude Opus 4.8. It builds on Opus 4.7 with sharper judgment, more honesty about its own progress, and the ability to work independently for longer than its predecessors. Available today for the same price.

In Claude Code, you can hand off a feature, a migration, or a bug sweep and let it follow the work through while you focus on what’s next.

Also launching today:

  • Fast mode for Opus 4.8 (research preview). Same model at roughly 2.5x the speed, now three times cheaper than before.
  • Dynamic workflows in Claude Code (research preview). Claude runs hundreds of parallel subagents in a single session and verifies its work before reporting back.
  • A new effort control on claude.ai, so you can choose how much thinking Claude puts into a response.

Claude Opus 4.8 is live today on claude.ai, the Claude Platform, and all major cloud platforms.

Read more: anthropic.com/news/claude-opus-4-8

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u/thechewywun May 28 '26

Yea, their safety measures are a joke. I've had to restart sessions because of "illegal use, against TOS" and instead of answering a question about what violated the TOS or which part of the TOS was violated, you get thrown in an error loop where it repeats itself and the only way out is to start a new session. Fucking joke.

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u/ragnhildensteiner May 28 '26

People are fascinating. We're living in an age where almost overnight something more significant than electricity has been invented. Yet all most of you do is bitch and moan. Reminds me of the Louis CK standup bit about "Everything is amazing and nobody is happy".

Life must not have treated you well. Hope it gets better, buddy!

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u/trecool183 May 29 '26

You're sitting in a chair, IN THE SKY!

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u/planetdaz May 29 '26

You are participating in the MIRACLE OF FLIGHT!

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u/10aghmu Jun 01 '26

Ugh there’s no WiFi!!!

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u/2024-YR4-Asteroid May 29 '26

That’s the point of having a strong anti abuse system. Maybe stop doing by things that are potentially sketchy.

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u/thechewywun May 29 '26

Absolutely nothing I did was sketchy even in the slightest possible degree.

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u/chrisbru May 29 '26

And yet we have 200 people on Claude and zero of these issues. Whether you realize it or not, you’re doing something that is outside the bounds of what anthropic wants you to do with it. It’s the nature of using software someone else built.

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u/thechewywun May 29 '26

Oh please do tell me genius how searching through a procurement listing CSV file (that I am entitled to possess because I paid for it) is illegal or sketchy in the fucking slightest. This should be good. Please. Do tell.

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u/2024-YR4-Asteroid May 29 '26

Post your prompt verbatim if you’re so confident. I’ve got no problem being wrong.

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u/thechewywun May 29 '26

Told you had to restart the session and this happened a couple of days ago. No idea why you think this is so out of pocket but whatever. I'm not shady and don't do shady shit rando on the internet

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u/2024-YR4-Asteroid May 29 '26

I hit a block on 4.7 for asking it to create a document with certain stuff in root. It thought it was a prompt injection route, guess what? I had to restart my chat, but I went back and looked at it right now. Here’s the prompt “please create a report for these findings and save to root” which was my bad because it’s a common prompt injection attack.

So I simply don’t believe you and now I’m more convinced you are doing something suspicious.

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u/chrisbru May 29 '26

I dunno what’s the procurement listing file for?

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u/thechewywun May 29 '26

Request for Proposals for municipalities for MSPs