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Ask HN: Does prompt tuning even matter?

2•jonjohh•7h ago
Hi HN,

I previously worked as an AI engineer at a Compliance AI startup and the worst part of the job was gathering data and tuning prompts. Evals were awful.

I'm currently exploring ideas and was surprised to find that a lot of engineers at accelerators, and even seed stage, are pretty much skipping any sort of LLM eval or prompt tuning.

Curious to hear the experience of others when it comes to tuning prompts/how they view the work.

Windows BSoD to Watson: The Reliability Journey (2022)

https://hardcoresoftware.learningbyshipping.com/p/061-bsod-to-watson-the-reliability
1•transpute•5m ago•0 comments

Show HN: Google ADK and Vertex AI Memory Bank for Persistent Conversational AI

https://github.com/serkanh/adk-with-memorybank
1•serkanh•5m ago•0 comments

How airports could help aliens spot Earth

https://www.ras.ac.uk/news-and-press/research-highlights/how-airports-heathrow-and-gatwick-could-help-aliens-spot-earth
2•geox•8m ago•0 comments

El Salvador Tells UN That US Has "Exclusive" Jurisdiction over Detainees

https://www.techdirt.com/2025/07/09/el-salvador-throws-doj-under-the-bus-tells-un-that-us-has-exclusive-jurisdiction-over-renditioned-detainees/
2•nadermx•8m ago•0 comments

eBPF: Connecting with Container Runtimes

https://h0x0er.github.io/blog/2025/06/29/ebpf-connecting-with-container-runtimes/
1•tanelpoder•9m ago•0 comments

Why Is LabEx Considered the Best Choice for Linux Beginners?

https://www.indiehackers.com/post/why-is-labex-considered-the-best-choice-for-linux-beginners-bu1XHUGzyK4zqRYvACHK
1•huhuhang•13m ago•1 comments

Bell advances to build phase of secretive DARPA high-speed VTOL contest

https://www.flightglobal.com/defence/bell-advances-to-build-phase-of-secretive-darpa-high-speed-vtol-contest/163727.article
1•bouchard•14m ago•1 comments

The Author and the Assistant

https://zmj.dev/author_assistant.html
1•zmj•15m ago•1 comments

Who Needs Action Items?

https://coops.dev/who-needs-action-items
1•theonething•18m ago•0 comments

Closures for Hare

https://lists.sr.ht/~sircmpwn/hare-rfc/%3CDB54BK1QFAMO.VURD1415NHT3@ddevault.org%3E
1•todsacerdoti•24m ago•0 comments

A lightweight Cloudflare Dynamic DNS shell script

https://github.com/fernvenue/cloudflare-ddns
1•fernvenue•25m ago•0 comments

Menoq – QR Menus for Restaurants with Instant Updates

https://menoq.app
1•whit3hawks•27m ago•0 comments

Humming-Bird is a simple, composable, and performant web-framework

https://github.com/rawleyfowler/Humming-Bird
1•TheWiggles•29m ago•0 comments

Using fs_usage to see what files a process is using

https://til.simonwillison.net/macos/fs-usage
2•Bogdanp•32m ago•0 comments

Bin2Wrong: A fuzzer for uncovering semantic errors in binary-to-C decompilers [pdf]

https://futures.cs.utah.edu/papers/25ATC.pdf
2•jmillikin•33m ago•0 comments

Which Kind of Science Reform

https://elevanth.org/blog/2025/07/09/which-kind-of-science-reform/
1•jeffreyrogers•35m ago•0 comments

FreeTier.fyi – AI-powered database of free tiers of AI and infra services

https://freetier.fyi
1•amareshb•39m ago•1 comments

Building MCP servers the easy way with Apache OpenServerless

https://opensource.net/building-mcp-servers-with-apache-openserverless/
4•billybuckwheat•40m ago•0 comments

Fuck Willpower

https://usefulfictions.substack.com/p/fuck-willpower
2•latentnumber•41m ago•0 comments

Seeing Like an LLM

https://www.strangeloopcanon.com/p/seeing-like-an-llm
1•latentnumber•42m ago•0 comments

Birthday Song Maker – Create Unforgettable Musical Memories

https://birthdaysongmaker.com/
1•lizbo•43m ago•0 comments

The Persecution of Francesca Albanese

https://chrishedges.substack.com/p/the-persecution-of-francesca-albanese
3•chmaynard•43m ago•0 comments

Someone built a fantastic learning resource for Google's Gemini CLI

https://starshipcli.online/
2•howardV•47m ago•0 comments

Async Ruby Is the Future of AI Apps (and It's Already Here)

https://paolino.me/async-ruby-is-the-future/
2•doppp•48m ago•0 comments

Failed Global Solutions System AMRS-X (description in comment)

https://www.dropbox.com/scl/fo/a3uv4hgxhj25fnthpluwb/AH-GgcVjwBjePcCIizh40po?dl=0&noscript=1&rlkey=ewisyhcls8zo5hib8clhxwezi&st=mm4tfz6o
1•technovahub•48m ago•1 comments

Self-Cleaning Ants

https://gbragafibra.github.io/2025/07/06/collatz_ant6.html
2•Fibra•50m ago•0 comments

Israeli defence minister plans to move Gaza's population to camp in Rafah

https://www.bbc.com/news/articles/c8rp31lk7mzo
4•mhga•51m ago•0 comments

Intel's CEO: 'We are not in the top' of leading chip companies

https://www.oregonlive.com/silicon-forest/2025/07/intels-ceo-we-are-not-in-the-top-10-of-leading-chip-companies.html
2•osnium123•51m ago•1 comments

Steganography in floating point data with NaN payloads

https://github.com/kjordahl/steganan
1•dynm•57m ago•0 comments

The Retrofit and the Built Environment Starter Pack from Heat Pumps to Financing

https://climatedrift.substack.com/p/the-retrofit-and-the-built-environment
1•ssuds•58m ago•0 comments