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Ask HN: What are you actually using LLMs for in production?

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Re: Ask HN: What are you actually using LLMs for in production?

#31

Built vaporlens.app in my free time using LLMs (specifically gemini, first 2.0-flash, recently moved to 2.5-flash). It processes Steam game reviews and provides one page summary of what people thing about the game. Have been gradually improving it and adding some features from community feedback. Has been good fun.

I usually find that if a game is rated overwhelmingly positive, I'm gonna like it. The moment it's just mostly positive, it doesn't stay as a favorite for me.

[deleted]

Re: Ask HN: What are you actually using LLMs for in production?

#32

Built vaporlens.app in my free time using LLMs (specifically gemini, first 2.0-flash, recently moved to 2.5-flash). It processes Steam game reviews and provides one page summary of what people thing about the game. Have been gradually improving it and adding some features from community feedback. Has been good fun.

I usually find that if a game is rated overwhelmingly positive, I'm gonna like it. The moment it's just mostly positive, it doesn't stay as a favorite for me.

Those games are usually brilliant - but those are very rare. Like "once in a few years" kind of rare IMO. While that is a valid approach, I play way more than that haha!

What I found interesting with Vaporlens is that it surfaces things that people think about the game - and if you find games where you like all the positives and don't mind largest negatives (because those are very often very subjective) - you're in a for a pretty good time.

It's also quite amusing to me that using fairly basic vector similarity on points text resulted in a pretty decent "similar games" section :D

Re: Ask HN: What are you actually using LLMs for in production?

#35
I work with (a few someones) who see fit to send out schedules as PDFs, 3 months at a time. I have a script that feeds Claude the PDFs and gets it to generate an ICS file. Then a script that feeds it both the ICS file and the original PDF and asks it to highlight any differences between the two.

Getting those events onto a usable, sharable calendar is much easier now.

Re: Ask HN: What are you actually using LLMs for in production?

#38

I built a SQL agent with detailed database context and a set of tools. It’s been a huge lift for me and the team in generating rather complex queries that would take non trivial time to construct, even if using cursor or ChatGPT.

I'm in the process of building one too. Handing off SQL queries to LLMs feels like a no-brainer.

Re: Ask HN: What are you actually using LLMs for in production?

#39

I work for Hinge, the dating app. We use them for our "prompt feedback" feature, where the LLM gives constructive feedback on how to improve your prompts if it judges them as low-effort or clichéd.

Doesn't this create a signal problem long term?

If everyone is using it now prompts aren’t a good gauge.

Re: Ask HN: What are you actually using LLMs for in production?

#40

Earlier quoted context omitted.

In other words, are you using LLM as a text classifier?

This is what I'm using it for as well, it's really simple to use for text classification of any sort.

Are there currently services (or any demand for) a text classifier that you fine tune on your own data that is tiny and you can own forever? Like use a ChatGPT + synthetic data to fine tune a nanoBERT type of model
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