PromptVault
Ship prompt changes without touching your codebase
What it does
If you're building an LLM app, your prompts are constantly changing - and every change shouldn't require a PR, CI run, and a full redeploy. PromptVault is a prompt management tool for AI builders. Edit prompts live in production, version every change, and roll back in one click. Connect Once → Draft → Live - without touching your codebase. Built for indie developers, AI founders, and product teams shipping LLM features.
Does the same job
all alternatives →- PEPrompt Engine – Auto pick LLMs based on your prompts2024 · jigsawstack.com · ▲93
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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I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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Launched alongside, June 2026
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