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Claude Opus 4.8

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Re: Claude Opus 4.8

#811

Post by computably »

fittingopposite wrote: post #806
gen220 wrote: post #135

Earlier quoted context omitted.

I'm curious to poll HN on this issue. Do you feel like we've had meaningful/noticeable gains in terms of your programming workflows between 4.5 and 4.7? My 2¢, I personally feel like all of the productivity gains since 4.5's release (in November 2025!!) have come from improvements to the harnesses (cc, cursor cli, codex, opencode, whatever) AND from the context window expansion from 200k to 1M. But the actual "raw" i…

Yes. You and some random indigenous guy in the Amazon likely share the same intelligence but you are more capable because you have access to writing/reading, computer, car etc. Intelligence is more than raw intelligence. It's harness, skills, tools, memory etc. If you improve all the latter but keep the raw intelligence (LLM) fixed, you certainly get better results. Same with us humans.

Except LLMs are simulacra of actual intelligence. Frequently in a single conversation working on a single narrowly scoped task, I am both surprised by a few insights and cursing at how it can miss obvious issues. The "raw intelligence" of LLMs leaves much to be desired.

Re: Claude Opus 4.8

#812

Post by slashdave »

dudeinhawaii wrote: post #395

This is the first time I saw a model pop-up on HN and didn't really care. Model exhaustion? It looks interesting but not exciting. While I'd normally _love_ incremental improvements --- I think the recent ones are far too minor to get excited about or change up a workflow. Besides, benchmarks tend to exaggerate the gap between versions. At this point I'd almost rather Anthropic wait and really wow us with a 5.0 relea…

Dunno. Isn't OpenAI supposed to release a new version of their model within 30 minutes? Maybe things are actually quieting down.

Re: Claude Opus 4.8

#813

Post by RobinL »

senko wrote: post #385

My fav coding benchmark for frontier models is to build a simple RTS game in one file (js/html/css). Claude Code with Opus 4.8 in ultracode mode nailed it, the best result so far: https://bsky.app/profile/senko.net/post/3mmwnrkwboc2v The prompt was: Create a simple but functional real time strategy (RTS) game similar to old WarCraft, StarCraft or Command & Conquer games. The player should be able to build buildings,…

Nice, I recently found something like this was possible too. Gpt-5.5 one shotted the basic game, but then I added some ai generated graphics/sounds/music and asked it to write then up.

It's a vocab building game, playable here (desktop only): https://rupertlinacre.com/vocab_annihilation/

It kind of blows my mind I can go from: 'I want a fun way to help him learn vocabulary, and I loved total annihilation as a kid' to 'heres a game that's he finds genuinely fun that helps him learn something ' in a few prompts.

Re: Claude Opus 4.8

#814

Post by julianlam »

reppap wrote: post #690
wg0 wrote: post #104

There is a hole in the boat's bottom due to Chinese models. They might not be as good but they are not bad either or at least I had hard time finding any issues with Deepseekv4 Flash and Pro variants. They get their job done sometimes rarely giving up till they are done what they are after. So even for enterprise deployments, as the dust settles down, CFO/CTOs might find out that deploying on an internal cluster of G…

The problem with going for open source models is that you are betting on some third party to keep doing expensive model training and releasing it for free, forever. What do you do if deepseek never release another update to the model?

I continue to use the model I downloaded... for free?

Re: Claude Opus 4.8

#815

Post by jruz »

Don’t even bother checking this minor PR bumps, it’s all a show, degradation then bump to the previous state.

Call me when 5 drops I’ll leave this circus.

Re: Claude Opus 4.8

#817

Post by permute »

NiloCK wrote: post #77

A rambling comment: I think this is the first time we've had a third minor version bump on a frontier Anthropic model. (I count the 0.5s as major here, because they've been issued non-sequentially and also corresponded to massive capability leaps, eg, Sonnet 3.5, Opus 4.5). So now the Opus 4.5 family has successors 4.6, 4.7, and 4.8, each posting fairly modest claimed gains. My own experience w/ 4.6 and 4.7 are that…

I am using Claude Code for formal verification with Lean. In my personal experience both Opus 4.7 and now what I see from first experiments with Opus 4.8 were big improvements. I was able to delegate proofs of larger theorems that their predecessors could not handle.

Re: Claude Opus 4.8

#818

Post by noncoml »

I don't know what's going on lately but Opus is extremely lazy for me...

It always wants to add hacks instead of fixing things properly, it doesn't like large works, it literally told me that a piece of work was something it would take 8 hours, and it didn't want to do it on a Friday night.

I feel I keep having to fight the model to get it to work. Not sure if it's something in my prompts...

Re: Claude Opus 4.8

#819

Post by viking123 »

ricardobeat wrote: post #130
NiloCK wrote: post #77

A rambling comment: I think this is the first time we've had a third minor version bump on a frontier Anthropic model. (I count the 0.5s as major here, because they've been issued non-sequentially and also corresponded to massive capability leaps, eg, Sonnet 3.5, Opus 4.5). So now the Opus 4.5 family has successors 4.6, 4.7, and 4.8, each posting fairly modest claimed gains. My own experience w/ 4.6 and 4.7 are that…

4.7 was a significant jump in the ability to run long-horizon tasks. It immediately completed tasks that 4.6 was unable to, even though I have the impression that it became a bit less capable over the first few weeks after release. It also seems to be helpless at effort levels < xhigh, I turn to Sonnet when simpler tasks are needed.

It didn't do shit

Re: Claude Opus 4.8

#820

Post by viking123 »

extr wrote: post #126
NiloCK wrote: post #77

A rambling comment: I think this is the first time we've had a third minor version bump on a frontier Anthropic model. (I count the 0.5s as major here, because they've been issued non-sequentially and also corresponded to massive capability leaps, eg, Sonnet 3.5, Opus 4.5). So now the Opus 4.5 family has successors 4.6, 4.7, and 4.8, each posting fairly modest claimed gains. My own experience w/ 4.6 and 4.7 are that…

IMO they have all been clean and noticeable upgrades over their predecessors. Opus 4.7 in particular was a solid jump in capabilities.

It didn't change at all, same as 4.6. Good morning to the Anthropic office btw.
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