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Claude Opus 4.8

anthropic.com

11–20 of 1001 posts

Re: Claude Opus 4.8

#11
Anthropic has now upgraded their Claude slot machine to version 4.8.

Time to gamble even more tokens at the Anthropic casino.

Re: Claude Opus 4.8

#12

seems like a really minor upgrade?

I think they will all be minor going forward, feels like the major improvements have all been made and we'll only see incremental improvements from here on out. Maybe I'm wrong but we'll see.

Re: Claude Opus 4.8

#13
Does anyone troll these releases and cherry pick random metrics other companies would cherry pick to show how amazing their models are?

There's like 8 million benchmarks. Every release, every model randomly picks 5-10 where they win in everything except 1, to make it look like they aren't randomly cherry picking benchmarks they probably benchmaxxed for.

Re: Claude Opus 4.8

#14
I can't help but think of Iphone updates since about 2018. The thinnest, fastest, longest battery life Iphone ever. It seems mostly the same and I probably won't be able to tell other than the name, but everyone buys it anyway.

This is good psychology for the labs. When Buffett invested in Apple he loved citing how most people would rather give up their second car than their Iphone.

Re: Claude Opus 4.8

#17
I know it’s totally anecdotal, but I really hope 4.8 is a measurable improvement over the disappointment that was Opus 4.7. Mangling a very simple inversion-of-control abstraction (among many other issues) was one of the final straws that broke the proverbial camel’s back and I said “screw this” and put in a permanent override to force CC back to Opus 4.6 with the 1‑million‑token context.

  "model": "claude-opus-4-6[1M]"

Re: Claude Opus 4.8

#18

seems like a really minor upgrade?

I think they will all be minor going forward, feels like the major improvements have all been made and we'll only see incremental improvements from here on out. Maybe I'm wrong but we'll see.

Hard to say. People made the same prediction a year ago because we supposedly ran out of training data. There could be indefinite rapid compounding improvements so long as there's free money out there.

Re: Claude Opus 4.8

#19
> We expect to be able to bring Mythos-class models to all our customers in the coming weeks.

Excited to see what this model looks like.

Re: Claude Opus 4.8

#20
> As always, we ran a detailed alignment assessment on the model before release. In terms of positive traits, our Alignment team concluded that Opus 4.8 “reaches new highs on our measures of prosocial traits like supporting user autonomy and acting in the user’s best interest.” The assessment also showed Opus 4.8 to have rates of misaligned behavior (such as deception or cooperation with misuse) that are substantially lower than Opus 4.7, and similar to our best-aligned model, Claude Mythos Preview. The full alignment assessment, accompanied by a suite of pre-deployment safety tests, is reported in the Claude Opus 4.8 System Card.

Controversial opinion, but I actually _like_ a model that can deceive me, that actually is a sign of intelligence, and is different from hallucination. When companies say their model is more "aligned", I automatically think they mean it's more censored.

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