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Show HN: A/B Test Your LLM Prompts in Production

https://switchport.ai/
1•rjfc•15h ago
I noticed that there are a lot of of LLMOps platforms focused on offline evals, but I couldn’t find anything that manages A/B tests in production and ties different prompts to quantifiable user metrics. For example, being able to test two system prompts and see which one actually improves user success rates or engagement. This might be useful in something like a sales or customer support agent.

So I built a platform that allows you to more easily experiment with different system prompts in production. You can record your own metrics and it will automatically tie this information to whatever experiment treatment the user is in. You can update these experiments and prompts within the UI so you don't have to wait for your next deployment.

It's still pretty early but would love any feedback!

The Meaning of Life According to ChatGPT

https://madebynathan.com/2025/11/03/the-meaning-of-life-according-to-chatgpt/
1•nathan_f77•5m ago•0 comments

Nimony v0.2 – early preview of Nim 3.0's compiler

https://nim-lang.github.io/nimony-website/version0_2.html
2•xx_ns•9m ago•0 comments

Simple Tool Lets You Design Your Own Brat-Style Album Covers Instantly

https://brat-generator.app
1•nutcollab•11m ago•0 comments

Bait Al Nokhada – Your Trusted Tent Supplier in UAE

https://baitalnokhada.com/tent-supplier-in-uae/
1•ahmedsaber909•12m ago•1 comments

OpenAI's Sora: From Words to Motion – A Glimpse into the Future of AI Video

https://sora-ai.one
1•nutcollab•12m ago•0 comments

Why companies will just keep nudging you to try AI

https://www.washingtonpost.com/technology/2025/10/28/chatgpt-atlas-browser-nudges/
2•pera•15m ago•1 comments

Update and shut down no longer restarts PC, 25H2 patch addresses decades-old bug

https://www.windowslatest.com/2025/11/02/update-and-shut-down-no-longer-restarts-pc-as-windows-11...
3•taubek•19m ago•0 comments

SEBI Cybersecurity and Cyber Resilience Framework for Regulated Entities [pdf]

https://www.sebi.gov.in/sebi_data/attachdocs/aug-2024/1724326790365.pdf
1•debarshri•22m ago•0 comments

Recruitment Ethics

1•imaginaryrole•31m ago•1 comments

Show HN: Claude Code disrupted programming. Bringing that power to office worker

https://blog.gbase.ai/blog/claude-code-for-office-workers/
2•jinfeng79•34m ago•1 comments

Apple isn't playing the same AI capex game as the rest of the megacaps

https://www.cnbc.com/2025/10/30/apple-isnt-playing-the-same-ai-capex-game-as-the-rest-of-the-mega...
2•giuliomagnifico•34m ago•0 comments

Scientists discover 14 new species hidden in the deep sea

https://www.sciencedaily.com/releases/2025/11/251102011213.htm
1•ashishgupta2209•35m ago•0 comments

Trump, 79, Claims He Has 'No Idea' Who Crypto Billionaire He Pardoned Is

https://www.thedailybeast.com/trump-79-admits-he-has-no-idea-who-billionaire-changpeng-cz-zhao-he...
2•doener•36m ago•1 comments

H3TAG: The Authentication Layer for the Internet

https://h3tag.com/blog/what-is-h3tag
1•nonameuserd•36m ago•0 comments

Large reasoning models almost certainly can think

https://venturebeat.com/ai/large-reasoning-models-almost-certainly-can-think
2•saikatsg•40m ago•0 comments

Ask HN: I underestimated how lonely building solo can be

1•paulwilsonn•41m ago•2 comments

EuroPython 2025 Videos

https://www.youtube.com/playlist?list=PL8uoeex94UhFQY9cYBQOVkj9fSHMHf5x9
2•sdpy•45m ago•0 comments

Deterministic Mesh Gradient Avatars in Rails

https://avohq.io/blog/deterministic-mesh-gradient-avatars-in-rails
1•adrianthedev•45m ago•0 comments

Futureman – API Endpoints Tester

https://futureman.dev
1•sayuz•47m ago•0 comments

Apache Fory Rust: A Versatile Serialization Framework for the Modern Age

https://fory.apache.org/blog/fory_rust_versatile_serialization_framework/
1•fofoz•49m ago•0 comments

Why Reading a Newspaper Is Still One of the Best Brain Workouts

https://world-newspapers.net/blog/why-reading-a-newspaper-is-still-one-of-the-best-brain-workouts
2•sm-techq•50m ago•0 comments

Nvidia to invest up to $1B in AI startup Poolside

https://www.reuters.com/business/nvidia-invest-up-1-billion-ai-startup-poolside-bloomberg-news-re...
10•mgh2•54m ago•8 comments

Brain Treats Future Self as a Stranger (fMRI R=0.59)

https://lightcapai.medium.com/the-neuroscience-of-becoming-how-acting-like-your-future-self-rewir...
1•HenryAI•55m ago•0 comments

Calculus: A Limitless Perspective

https://arxiv.org/abs/2510.20836
3•belter•57m ago•0 comments

Jq Implementation of Jq

https://github.com/wader/jqjq
1•dewey•58m ago•0 comments

Xi Jinping cracks joke about spying with phones given to South Korean president

https://www.theguardian.com/world/2025/nov/03/xi-jinping-cracks-joke-about-spying-with-phones-giv...
6•belter•1h ago•0 comments

Awk Technical Notes

https://maximullaris.com/awk_tech_notes.html
2•signa11•1h ago•0 comments

A Thesis and Playbook for Edge AI

https://ondeviceguy.substack.com/p/the-internet-of-intelligence-a-thesis
1•swatkat7•1h ago•0 comments

The shrine to the 'Mayor of 16th Street' – KitKat, tragically killed by Waymo

https://old.reddit.com/r/redscarepod/comments/1on16ri/the_shrine_to_the_mayor_of_16th_street_kitk...
1•paganel•1h ago•1 comments

Snowy 2.0 – pumped hydro electric storage

https://theconversation.com/white-elephant-hardly-snowy-2-0-will-last-150-years-and-work-with-bat...
1•simonebrunozzi•1h ago•1 comments