Prompt Optimizer
Prompt Optimizer — Free AI Prompt Engineering and Refiner
What it does
Free prompt optimizer for ChatGPT, Claude and Gemini. Turn rough ideas into high-performance AI instructions instantly. Try our prompt engineering tool free!
Transform basic questions into high-precision, production-grade prompt architectures. Engineered for ChatGPT, Claude, Gemini, and DeepSeek. Browse 60+ engineered prompt architectures categorized across 15 technical and business domains. Markdown hierarchy, explicit role constraints, and few-shot conditioning for ChatGPT. Anthropic XML semantic tagging, thinking scratchpads, and Artifacts optimization. Task decomposition, multimodal readiness, and concise high-density grounding. Enterprise system-user prompt structures with JSON schema boundaries. Latent space vector anchoring to eliminate hallucinations across GPT models. Full tutorial on RCTO frameworks, few-shot examples, and model…from getpromptoptimizer.com
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AstraPixels▲267A pixel-art solar system at its real current positions.
Growth · 29d ago · astrapixels.com
Launched alongside, August 2026
the whole month →- TL
Life & fun · 10d ago · louisabraham.github.io
- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
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.
AI · 16d ago · simedw.com