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Claude Sonnet 4.5

anthropic.com

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Re: Claude Sonnet 4.5

#801

Post by dimgl »

BoorishBears wrote: post #791
dimgl wrote: post #637

Earlier quoted context omitted.

There are so many people en masse who simply cannot accept that the days of coding manually, by hand, could be coming to an end. It's wild.

I want them to come: I'm good at product and have 101 competitors I'd smash on distribution and product with my army of coding agents. But you're inventing the strawman that anyone who thinks the AI isn't there yet is in denial... some of us just have a higher bar than tailwind slop. (Ironically I think SWEs most impressed by current agents are really done for... no niche non-tech knowledge to translate into novel so…

Why do you assume that LLMs are only coding Tailwind slop...? I've used LLMs extensively in C++ development of Unreal Engine games.

Re: Claude Sonnet 4.5

#802

Post by fragmede »

s900mhz wrote: post #633
technocrat8080 wrote: post #585

Earlier quoted context omitted.

What kind of agents do you have setup?

You can use the built in task agent. When you have a plan and ready for Claude to implement, just say something along the line of “begin implementation, split each step into their own subagent, run them sequentially”

subagents are where Claude code shines and codex still lags behind. Claude code can do some things in parallel within a single session with subagents and codex cannot.

Re: Claude Sonnet 4.5

#803

Post by thement »

827a wrote: post #647
manofmanysmiles wrote: post #521

I haven't shouted into the void for a while. Today is as good a day as any other to do so. I feel extremely disempowered that these coding sessions are effectively black box, and non-reproducible. It feels like I am coding with nothing but hopes and dreams, and the connection between my will and the patterns of energy is so tenuous I almost don't feel like touching a computer again. A lack of determinism comes from m…

Yeah, tbh I used to be a bit agentic coding tool-pilled, but over the past four months I've come to realize that if this industry evolves in a direction where I don't actually get to write code anymore, I'm just going to quit. Code is the only good thing about the tech industry. Everything else is capitalist hellscape shareholder dystopia. Thinking on it, its hilarious that any self-respecting coder is excited about…

This pretty much sums up my experience.

Re: Claude Sonnet 4.5

#804

Post by BoorishBears »

dimgl wrote: post #801
BoorishBears wrote: post #791

Earlier quoted context omitted.

I want them to come: I'm good at product and have 101 competitors I'd smash on distribution and product with my army of coding agents. But you're inventing the strawman that anyone who thinks the AI isn't there yet is in denial... some of us just have a higher bar than tailwind slop. (Ironically I think SWEs most impressed by current agents are really done for... no niche non-tech knowledge to translate into novel so…

Why do you assume that LLMs are only coding Tailwind slop...? I've used LLMs extensively in C++ development of Unreal Engine games.

You went months without writing a single line of code by prompting in Unreal, or you didn't read the thread carefully and jumped to non-sequitur?

Re: Claude Sonnet 4.5

#805

Post by bigwheels »

j_bum wrote: post #473
bigwheels wrote: post #427

Earlier quoted context omitted.

I've been deep into AI full-time professionally for some months now, and for the first 4+ weeks I felt the exact same way as you describe - it is a form of existential crisis, especially after spending the bulk of the past 25 years honing my coding-fu algo ninja skills, my identity was totally wrapped up in it. Keep at it and keep leaning in to embrace it, I promise it gets better! It's just a big adjustment. You are…

I’d love to hear the work you’re involved in!

We are in fact hiring: https://news.ycombinator.com/item?id=45442642

Re: Claude Sonnet 4.5

#806

Post by technocrat8080 »

fragmede wrote: post #802
s900mhz wrote: post #633

Earlier quoted context omitted.

You can use the built in task agent. When you have a plan and ready for Claude to implement, just say something along the line of “begin implementation, split each step into their own subagent, run them sequentially”

subagents are where Claude code shines and codex still lags behind. Claude code can do some things in parallel within a single session with subagents and codex cannot.

By parallel, do you mean editing the codebase in parallel? Does it use some kind of mechanism to prevent collisions (e.g. work trees)?

Re: Claude Sonnet 4.5

#807

Post by s900mhz »

technocrat8080 wrote: post #806
fragmede wrote: post #802

Earlier quoted context omitted.

subagents are where Claude code shines and codex still lags behind. Claude code can do some things in parallel within a single session with subagents and codex cannot.

By parallel, do you mean editing the codebase in parallel? Does it use some kind of mechanism to prevent collisions (e.g. work trees)?

I personally do not do any writes in parallel but parallel works great for read operations like investigating multiple failing tests.

Re: Claude Sonnet 4.5

#808

Post by fragmede »

technocrat8080 wrote: post #806
fragmede wrote: post #802

Earlier quoted context omitted.

subagents are where Claude code shines and codex still lags behind. Claude code can do some things in parallel within a single session with subagents and codex cannot.

By parallel, do you mean editing the codebase in parallel? Does it use some kind of mechanism to prevent collisions (e.g. work trees)?

Yeah, in parallel. They don't call it yolo mode for nothing! I have Claude configured to commit units of work to git, and after reviewing the commits by hand, they're cleanly separated be file. The todo's don't conflict in the first place though; eg changes to the admin api code won't conflict with changes to submission frontend code so that's the limited human mechanism I'm using for that.

I'll admit it's a bit insane to have it make changes in the same directory simultaneously. I'm sure I could ask it to use git worktrees and have it use separate directories, but I haven't (needed to) try that (yet), so I won't comment on how well it would actually do with that.

Re: Claude Sonnet 4.5

#809

Post by Attummm »

dimgl wrote: post #636
Attummm wrote: post #409

Anthropic really nailed this release. There had been a trend where each new model released from OpenAI, Anthropic, etc. felt like a letdown or worse a downgrade. But the release of 4.5 break that trend, And is a pleasant surprise on day one. Well done! :)

Really? Because this feels like a pretty significant downgrade from Sonnet 4 on real world tasks.

During the first few hours, it was great product. However since then it seems that products are currently downgraded.

Re: Claude Sonnet 4.5

#810

Post by sigmoid10 »

Philpax wrote: post #243
sigmoid10 wrote: post #214

Earlier quoted context omitted.

This is obviously much more than just taking an LLM an letting it run for 30 hours. You have to build a whole environment together with external tool integration and context management and then tune the prompts and perhaps even set up a multi-agent system. I believe that if someone puts a ton of work into this you can have an LLM run for that long and still produce sellable outputs, but let's not pretend like this is…

Well, yes, that's Claude Code. And OpenAI Codex. And Google Gemini CLI. Your average dev can just use those.

If you had used any of those, you'd know they clearly don't work well enough for such long tasks. We're not yet at the point where we have general purpose fire-and-forget frameworks. But there have been a few research examples from constrained environments with a complex custom setup.
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