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AI · March 10, 2026

VizPy

Turn prompt failures into executable rules — for AI agents

VizPy launched on March 10, 2026 with 27 votes, #800 of 23,380 launches that month and more than 95% of that year's launches. The site was not reachable when checked in September 2026.

What it does

VizPy automatically optimizes your LLM prompts by learning from failures. With a single API call, it improves prompts and reasoning workflows so your apps, agents, and pipelines deliver more reliable results, without manual prompt tweaking.

Does a similar job

all alternatives →
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    Nowadays, a common AI tech stack has hundreds of different prompts running across different LLMs. Three key problems: - Choices, picking from 100s of LLMs the best LLM for that 1 prompt is gonna be challenging, you're probably not picking the most optimized LLM for a prompt you wrote. - Scaling/Upgrading, similar to choices but you want to keep consistency of your output even when models depreciate or configurations change. - Prompt management is scary, if something works, you'll never want to touch it but you should be able to without fear of everything breaking. So we launched Prompt…

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  • RA
    RL Agent that can auto-optimize your LLM prompts2024 · nomadic-ml.github.io · ▲14

    Hey everyone! Along with my team, I've developed a reinforcement learning system that automatically optimizes LLM prompts, complete with a visualization feature to track both prompt structure and learning progress over time. Take a look here: https://nomadic-ml.github.io/nomadic/cookbooks/Nomadic_Promp... Check out our website too:https://www.nomadicml.com/ In terms of how this visualization works: The RL Prompt Optimizer employs a reinforcement learning framework to iteratively improve prompts used for language model evaluations. At each episode, the…

  • RA
    Relari – Auto Prompt Optimizer as Lightweight Alternative to Finetuning2024 · ▲32

    Hi HN, we are the founders of Relari (https://www.relari.ai). We launched our LLM evaluation stack on HN a few months ago (https://news.ycombinator.com/item?id=39641105), which is now used in production by AI teams at companies like Vanta and PwC. We have since expanded to directly optimizing parts of an LLM pipeline using a data-driven approach. In particular, we see a lot of potential in the Auto Prompt Optimization—which could be an attractive alternative to fine-tuning in many cases—to use data to align LLMs for domain-specific tasks. Here’s a demo video:…

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