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Coding with LLMs in the summer of 2025 – an update

antirez.com

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Re: Coding with LLMs in the summer of 2025 – an update

#91
Lovely post @antirez. I like the idea that LLMs should be directly accessing my codebase and there should be no agents in between. Basically no software that filters what the LLM sees.

That said, are there tools that make going through a codebase easier for LLMs? I guess tools like Claude Code simply grep through the codebase and find out what Claude needs. Is that good enough or are there tools which keep a much more thorough view of the codebase?

Re: Coding with LLMs in the summer of 2025 – an update

#92
post #25

> Gemini 2.5 PRO | Claude Opus 4 Whether it's vibe coding, agentic coding, or copy pasting from the web interface to your editor, it's still sad to see the normalization of private (i.e., paid) LLM models. I like the progress that LLMs introduce and I see them as a powerful tool, but I cannot understand how programmers (whether complete nobodies or popular figures) dont mind adding a strong dependency on a third part…

It’s not that bad: K2 and DeepSeek R1 are at the level of frontier models of one year ago (K2 may be even better: I have enough experience only with V3/R1). We will see more coming since LLMs are incredibly costly to train but very simple in their essence (it’s like if their fundamental mechanic is built in the physical nature of the computation itself) so the barrier to entry is large but not insurmountable.

Re: Coding with LLMs in the summer of 2025 – an update

#93
post #37
post #29

Earlier quoted context omitted.

Paid models are just much, much better.

Of course they are. I wouldn't expect otherwise :) But the price we're paying (and I don't mean money) is very high, imho. We all talk about how good engineers write code that depends on high-level abstractions instead of low-level details, allowing us to replace third party dependencies easily and test our apps more effectively, keeping the core of our domain "pure". Well, isn't it time we started doing the same wit…

> I'm not talking about MCP, but rather an open source tool that can plug into either free and open source LLMs or private ones.

Has someone computed/estimated what is at cost $$$ value of utilizing these models at full tilt: several messages per minute and at least 500,000 token context windows? What we need is a wikipedia like effort to support something truly open and continually improving in its quality.

Re: Coding with LLMs in the summer of 2025 – an update

#94

I currently use LLMs as a glorified Stack Overflow. If I want to start integrating an LLM like Gemini 2.5 PRO into my IDE (I use Visual Studio Code), whats the best way to do this? I don't want to use a platform like Cursor or Claude Code which takes me away from my IDE.

Cursor is an IDE. You can use its powerful (but occasionally wrong) autocomplete, and start asking it to do small coding tasks using the Ctrl+L side window.

I don't want to leave my IDE

Re: Coding with LLMs in the summer of 2025 – an update

#95
post #4

My question on all of the “can’t work with big codebases” is how would a codebase that was designed for an LLM look like? Composed of many many small functions that can be composed together?

I believe it’s the same as for humans: different files implementing different parts of the system with good interfaces and sensible boundaries.

Well documented helps a lot too.

You can use an LLM to help document a codebase, but it's still an arduous task because you do need to review and fix up the generated docs. It will make, sometimes glaring sometimes subtle, mistakes. And you want your documentation to provide accuracy rather than double down on or even introduce misunderstanding.

Re: Coding with LLMs in the summer of 2025 – an update

#96

I currently use LLMs as a glorified Stack Overflow. If I want to start integrating an LLM like Gemini 2.5 PRO into my IDE (I use Visual Studio Code), whats the best way to do this? I don't want to use a platform like Cursor or Claude Code which takes me away from my IDE.

GitHub Copilot is pretty easy to try within VS Code

I want to use Gemini 2.5 PRO. I was an early tester of Copilot and it was awful.

Re: Coding with LLMs in the summer of 2025 – an update

#98
post #35

Earlier quoted context omitted.

Did you read my post? I hope you didn’t. This post has nothing to do with Redis and is even a follow up to a post I wrote before rejoining the company.

This is HN. We don't read posts here.

Amen. I have to confess that I made an exception here though. This may be the first submission I read before going into the comments in years.

Re: Coding with LLMs in the summer of 2025 – an update

#99
post #87

I'm going a little offtopic here, but I disagree with the OPs use of the term "PhD-level knowledge", although I have a huge amount of respect for antirez (beside that we are born in the same island). This phrasing can be misleading and points to a broader misunderstanding about the nature of doctoral studies, which it has been influenced by the marketing and hype discourse surrounding AI labs. The assertion that ther…

> The primary purpose of a PhD is not simply to acquire a vast amount of pre-existing knowledge, but rather to learn how to conduct research. It’s not like once you have a PhD anyone cares about the subject, right? The only thing that matters is that you learnt to conduct research.

I can't understand why once you have a PhD anyone should care more about the subject.

Re: Coding with LLMs in the summer of 2025 – an update

#100

Earlier quoted context omitted.

In my experience, devs generally aren't secretive about tools they find useful.

People are insane, you can artificially pine for the simpler betters times made up in your mind when you could give oracle all your money. But I would stake my very life on the fact that the movement by developers we call open-source is the single greatest community and ethos humanity has ever created. Of course it inherits from enlightenment and other thinking, it doesn't exist in a vacuum, but it is an extension of…

> open-source is the single greatest community and ethos humanity has ever created

good lord.

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