Crisp / Balanced / Deep
Compile the smallest prompt that reliably gets the outcome, from 100-token briefs to deep project prompts.
AI prompt engineering SaaS
Professional, platform-specific AI prompts from rough ideas.
PromptOS turns normal input into structured, model-specific prompts with role teams, per-platform slash commands, enhancement modes, and real per-platform scoring.
27
lead roles
63
AI platforms
587+
style codes
51
installable skills
PromptOS Generator
Platform-specific prompt engine
1
Choose one role
Pick one all-rounder lead role; PromptOS adds the best supporting experts inside the prompt.
2
Pick a platform
Chat, image, video, voice, UI/UX, code, or automation — each with its own 100+ slash commands.
3
Compile
Choose Crisp, Balanced, or Deep and get token proof, quality score, and model-specific fit.
Lead role: All-Rounder Marketing Strategist
Platform: Claude (long-context analytical prompt)
Optimized for Claude — scored lower for ChatGPT on purpose.
Platform: Claude (long-context analytical prompt)
Optimized for Claude — scored lower for ChatGPT on purpose.
Prompt Library
587+ viral image /codes
One-tap prompts for every trending look — figurine, Ghibli, saree portrait, cyberpunk. Copy, paste into ChatGPT / Gemini / Midjourney, done.
/ghibli/figurine/cyberpunk/sareeportrait/3dbillboard/popartGenerate
Compile a model-specific prompt from one idea.
OpenScore
Lint, compress, and score any prompt.
OpenSkill bundle
51 installable SKILL.md skills.
OpenEverything the compiler proves
Per-platform commands
Each platform has its own 100+ slash commands, plus an auto best-commands mode.
Lint and compression
Detect vague wording, repeated rules, citation risk, wrong model format, and token waste.
30+ AI platforms
Chat, image, video, voice, UI/UX, code, automation, and workflow platforms.
Compiler proof
Quality score, target model, prompt length, reduction vs Deep, included logic, and removed filler.
Live token costs
Estimated per-call input cost on every model for the platform you chose, at 2026 list prices.
Output evaluation
Test rough vs optimized output and move toward model comparison and A/B decisions.
Installable skills
Export any prompt as a SKILL.md for Claude Code, Codex, Cursor, or Gemini CLI.
The Top 50 PromptOS Skill Bundle is live.
51 installable skills across marketing, writing, code, business, creative, data, sales, and productivity.