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Show HN: Empromptu.ai – No code, AI app builder with RAG, model, evals etc.

2•anaempromptu•15h ago
Hey HN! We're Empromptu.ai, an AI app builder that builds AI apps (RAG, models, evals all built in every app) Demo: https://app.storylane.io/share/rtneodkf5i1l

We started Empromptu after burning through thousands of credits on AI builders and hitting the same problem: cool looking prototypes or demos that break with real users.

The issue wasn't the building process, it was accuracy. Most AI applications plateau at 60%~ reliability, which is fine for prototypes but it's unusable in production. We realized these tools aren't really "AI app builders", they're website builders that happen to use AI.

We wanted to solve the hardest problem first: making AI applications actually work reliably.

Our approach centers on what we call dynamic optimization. Instead of cramming every possible scenario into one massive prompt (which confuses LLMs), our system adapts contextually. A travel chatbot automatically knows to mention LAX for Los Angeles vs. Pearson for Toronto. This consistently delivers 90%~ accuracy versus the industry standard 60%~.

But accuracy alone wasn't enough because we also needed to solve the builder gap:

- Simple builders (Lovable, Bolt): Create static websites, not AI applications

- Complex ML tools: Require dedicated teams most startups don't have (Arize, Voxel51) - we've also heard from both technical and non-technical founders that they found these tools very complex

- What's missing: Tools that build applications where AI is embedded functionality

So we built AI agents with optimization built-in. Users just type what they want to build and our agents handle the full development pipeline: creating applications with embedded models, RAG and intelligent processing. You can deploy to your own infrastructure via Netlify, GitHub or download it directly since you can run it locally.

The result: Startups, solo hackers and enterprises can build AI apps or AI features without hiring a dedicated ML team.

Waitlist: https://empromptu.ai

We'd love feedback from the HN community — esp. if you've hit similar accuracy problems or thoughts on the technical approach.

Verified Assembly 2: Memory, RISC-V, Cuts for Invariants, and Ghost Code

https://www.philipzucker.com/asm_verify2/
1•todsacerdoti•27s ago•0 comments

Castelo Rá-Tim-Bum

https://en.wikipedia.org/wiki/Castelo_R%C3%A1-Tim-Bum
1•kaycebasques•2m ago•0 comments

The Role of LLMs in Academic Reviewing (ACM SIGOPS / SIGARCH Blog)

https://www.sigops.org/2025/the-role-of-llms-in-academic-reviewing/
1•devooops•2m ago•0 comments

The Hole in the Sky That We Fixed

https://every.to/p/the-hole-in-the-sky-that-we-actually-fixed
1•pbardea•2m ago•0 comments

The Surprising Durability of Africa's Colonial Borders

https://www.noemamag.com/the-surprising-durability-of-africas-colonial-borders/
1•bookofjoe•2m ago•0 comments

Silicon Valley Is Wrong about Federal University Funding

https://theahura.substack.com/p/silicon-valley-is-wrong-about-federal
1•theahura•3m ago•0 comments

Asked my AI to reflect on writing clinical notes vs. coding. Here's what it said

1•echoprimeai•5m ago•0 comments

Show HN: A boilerplate to launch your SaaS in a weekend

https://www.saaskitt.com
1•westche2222•5m ago•0 comments

Dark Matter Search via the 229Th Nuclear Lineshape from Laser Spectroscopy

https://journals.aps.org/prx/abstract/10.1103/PhysRevX.15.021055
1•PaulHoule•5m ago•0 comments

HTML Day 2025 – Saturday, August 2nd

https://html.energy/html-day/2025/
1•azdle•7m ago•0 comments

Show HN: Term – Rust-based data validation with OpenTelemetry

https://github.com/withterm/term
2•ericpsimon•7m ago•0 comments

Berkson's Paradox

https://en.wikipedia.org/wiki/Berkson%27s_paradox
2•kaonwarb•8m ago•0 comments

A free AI starter kit – made to reduce noise, not add to it

2•SmartAITools•8m ago•1 comments

A cycle-accurate simulation of the MOS 6502 CPU

https://github.com/FelixKratz/6502-systemc
2•AdmiralBrainlag•9m ago•0 comments

Troubling scenes from an Arctic in full-tilt crisis

https://grist.org/climate/troubling-scenes-from-an-arctic-in-full-tilt-crisis/
5•Brajeshwar•12m ago•0 comments

Why plane turbulence is becoming more frequent – and more severe

https://www.bbc.com/news/articles/ckgy7jx082ro
3•Brajeshwar•12m ago•0 comments

Google says it will sign EU's AI code of practice

https://techcrunch.com/2025/07/30/google-says-it-will-sign-eus-ai-code-of-practice/
1•Brajeshwar•12m ago•0 comments

Selling open source technology to the government

https://openthc.com/blog/2025/210-how-to-sell-open-source-government
2•openthc•13m ago•0 comments

Qwen3-30B-A3B-Thinking-2507

https://twitter.com/Alibaba_Qwen/status/1950570969036361799
1•tosh•13m ago•0 comments

Show HN: A free no signup App Store Asset tool

https://app-store-image-gen.vercel.app/editor
1•boxedsound•14m ago•0 comments

The tradeoff between human and AI context

https://softwaredoug.com/blog/2025/07/30/layers-of-ai-coding
1•softwaredoug•14m ago•0 comments

First passenger jet was a luxurious death trap. It's been brought back to life

https://www.cnn.com/travel/de-havilland-comet-dh106-first-passenger-jet
1•pseudolus•15m ago•0 comments

Upstream target support for CHERI-enabled architectures

https://discourse.llvm.org/t/rfc-upstream-target-support-for-cheri-enabled-architectures/87623
1•todsacerdoti•16m ago•0 comments

Lume: The Robotic Lamp

https://twitter.com/aaronistan/status/1949862617872478664
4•pbardea•17m ago•0 comments

Off-CPU Profiling

https://www.polarsignals.com/blog/posts/2025/07/30/introducing-off-cpu-profiling
2•heinrichhartman•18m ago•0 comments

Context engineering for production-grade web agents

https://www.simplex.sh/blog/context-engineering-for-web-agents
2•marcon680•19m ago•0 comments

Claude.ai do not deliver what I payed for

2•theGeatZhopa•19m ago•3 comments

I tricked study mode by saying that generating the full HW is the HW

https://twitter.com/akaieuan/status/1950576191057838088
1•ieuanking•22m ago•1 comments

YouTube rolls out age estimation model in US to detect people under 18

https://support.google.com/youtube/thread/356191968/extending-protections-to-more-us-based-teens?hl=en
3•theamk•23m ago•0 comments

Codestral 25.08 and the Complete Mistral Coding Stack for Enterprise

https://mistral.ai/news/codestral-25-08
2•meetpateltech•24m ago•0 comments