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Show HN: A Genetic algorithm that red-teams your copy with 100 LLM personas

https://crashtestcopy.com/
3•vignesh_warar•1h ago
Hey everyone,

I know a product like this will get banned on HN, but I think the technical part is interesting, so I’m taking my shot here.

problem: You try to get ChatGPT to write your landing page copy or email and it comes back... cringe. It's generic. It's as if every output is written by the same person. You try adjusting the prompt and running it through the AI again, and it's just a different version of the same boring output.

There's no real creative exploration going on here. It's one model, one shot, one voice.

solution: Rather than relying on a single AI to compose your content, I created a system with over 100 different AI personas, each with their own area of expertise, personality, and aesthetic (based on real-world data), to rate and score your content in a variety of ways. And then, took some inspiration from AlphaEvolve (Google DeepMind's evolutionary coding agent) [1], we take these personas as a fitness function and apply an evolutionary algorithm to your content in a variety of ways. It’s a search problem, not a one-shot problem.

The result: Copy that's been stress-tested by a diverse panel and evolved through selection pressure. Not just whatever one model generated on the first try.

Would love to hear your feedback.

1:https://deepmind.google/blog/alphaevolve-a-gemini-powered-co...

ColorPageLab (printable coloring pages at 300 DPI, no account needed)

https://colorpagelab.com
1•prmishania•50s ago•0 comments

How/why did AMD/ATI fall behind Nvidia? (2015)

https://forums.anandtech.com/threads/how-why-did-amd-ati-fall-behind-nvidia.2434913/
1•stmw•1m ago•1 comments

Books of the Century by Le Monde

https://standardebooks.org/collections/le-mondes-100-books-of-the-century
1•zlu•1m ago•0 comments

South Korea's SDT opens Quantum-AI data center

https://www.datacenterdynamics.com/en/news/south-koreas-sdt-opens-quantum-ai-data-center-deploys-...
1•djinn•1m ago•0 comments

Check mates: Analysis of medieval chess shows vision of equality, mutual respect

https://www.theguardian.com/world/2026/mar/19/medieval-chess-set-equality-respect
1•defrost•2m ago•0 comments

My AI Bot Is Smarter Than Your Honor Roll Student

https://botonomous.ai/post/my-ai-bot-is-smarter-than-your-honor-roll-student-da1e82ea
1•botonomous•2m ago•0 comments

South Korean Police Accidentally Post Cryptocurrency Wallet Password

https://www.schneier.com/blog/archives/2026/03/south-korean-police-accidentally-post-cryptocurren...
1•djinn•3m ago•1 comments

Unplug ICE

https://unplugice.org/
1•doener•8m ago•0 comments

Raspberry Pi Projects That Anyone Can Do

https://www.ifixit.com/News/116276/raspberry-pi-projects-that-anyone-can-do
1•gnabgib•8m ago•0 comments

Ask HN: How do you walk away from a project you care about?

1•rtaylorgarlock•8m ago•0 comments

What about Karpathy Loop?

https://thenewstack.io/karpathy-autonomous-experiment-loop/
2•djinn•10m ago•0 comments

The Flawed Ephemeral Software Hypothesis

https://www.blackhc.net/essays/future_of_software/
1•handfuloflight•10m ago•0 comments

Show HN: Lottery of Birth

https://claude.ai/public/artifacts/b561334a-3b08-41e8-b0e0-c656bdb2e30b
1•atulvi•15m ago•0 comments

Show HN: I created a free tool to analysis your old blog posts for suggestions

https://kitful.ai/write-tools/content-refresh-tool
1•eashish93•15m ago•0 comments

MCP-indexed retrieval vs. file search on a 393-note vault (90 runs)

https://neurostack.sh/blog/vanilla-vs-neurostack-393-notes
2•raphasouthall•15m ago•0 comments

Violations of LLM Review Policies

https://blog.icml.cc/2026/03/18/on-violations-of-llm-review-policies/
1•e08e99f99•16m ago•0 comments

World’s Largest LNG Plant Suffers Extensive Damage, Qatar Says

https://www.bloomberg.com/news/articles/2026-03-18/qatar-reports-extensive-damage-at-site-of-ras-...
1•geox•17m ago•0 comments

Hittler faces Zielinski as French town's election contest goes viral

https://www.bbc.com/news/articles/c2d1drzgxzyo
1•0in•17m ago•0 comments

Autoresearch for SAT Solvers

https://github.com/iliazintchenko/agent-sat
2•chaisan•19m ago•0 comments

VistaVision is a cinematographic technique which uses a higher-resolution

https://en.wikipedia.org/wiki/VistaVision
1•doener•20m ago•0 comments

Searchable.City

https://searchable.city/
1•xnx•22m ago•2 comments

US financial regulator issues long-awaited cryptocurrency guidance

https://www.theguardian.com/technology/2026/mar/18/sec-cryptocurrencies-securities-rules
1•andsoitis•24m ago•0 comments

Scheduled: Open-Source Calendly, but AI

https://github.com/Fergana-Labs/scheduled
3•samzliu•26m ago•1 comments

Quit ChatGPT: Your subscription is bankrolling authoritarianism

https://www.theguardian.com/commentisfree/2026/mar/04/quit-chatgpt-subscription-boycott-silicon-v...
1•doener•26m ago•0 comments

RQ-180 Stealth Drone Appears to Have Made an Emergency Landing at Greek Air Base

https://www.twz.com/air/secret-rq-180-stealth-drone-appears-to-have-made-an-emergency-landing-at-...
2•mauvehaus•26m ago•0 comments

The Cult of Data Centers

https://boondoggle.substack.com/p/the-cult-of-data-centers
1•toomuchtodo•27m ago•0 comments

Show HN: ATO – a GUI to see and fix what your LLM agents configured

https://github.com/WillNigri/Agentic-Tool-Optimization
2•WillNigri•32m ago•0 comments

Sergey Brin spends $45M in fight against California billionaire tax

https://www.theguardian.com/us-news/2026/mar/18/google-sergey-brin-california-billionaire-tax
1•andsoitis•32m ago•0 comments

'Peaky Blinders' is easy to consume and impossible to forget

https://www.npr.org/2026/03/18/nx-s1-5750822/peaky-blinders-the-immortal-man-review
1•andsoitis•35m ago•0 comments

New study assesses geoengineering marine ecosystem risks, knowledge gaps

https://news.mongabay.com/2026/02/new-study-assesses-geoengineering-marine-ecosystem-risks-knowle...
2•PaulHoule•36m ago•0 comments