Prompt Garage
Prompt Garage
Prompt Studio
Multi-model • DeepSeek + OpenRouter

The intelligent prompt engineering workspace.

Turn raw ideas into high-performance prompts. Score, refine, compare versions and build a library you actually reuse — across the AI tools you already work with.

No setup Works offline-first Light · Dark · Sepia
prompt.garage
Score 92
role: Senior brand copywriter. task: Write a hero section for a productivity tool. audience: Indie SaaS founders, 25–40. format: H1 (≤9 words), sub (≤22 words), CTA. avoid: clichés, exclamation marks, "revolutionary".
94
Clarity
88
Structure
90
Specificity
95
Constraints
Features

Everything you need to engineer better prompts.

A studio designed around the real prompt-engineering workflow — from spark to ship.

Idea → Prompt

Turn a one-line idea into a structured, model-ready prompt with objectives, constraints and output format.

Optimize

Paste any prompt and get a sharper, less ambiguous, model-tuned rewrite — instantly.

Refine live

Adjust tone, verbosity, creativity, audience and role with tactile sliders.

Compare versions

Side-by-side diffing with quality scoring so you always ship the best variant.

Library

A curated, searchable home for every prompt you save — tagged, favorited, reusable.

Version history

Every edit is a checkpoint. Restore, label or duplicate any version in a click.

Workflow

From idea to a prompt you trust — in minutes.

  1. 1
    Drop your idea
    A goal, a vibe, a task — anything counts.
  2. 2
    Generate variants
    Get structured prompts with role, context, format & constraints.
  3. 3
    Refine in real time
    Tune tone, depth and creativity with tactile controls.
  4. 4
    Score & compare
    Side-by-side scoring keeps you honest.
  5. 5
    Save to library
    Reuse, version, share — forever.
Prompt score
92
out of 100 · improving fast
Clarity
94
Structure
88
Specificity
90
Constraints
95
Models

Choose the engine. Keep the workflow.

Native DeepSeek API plus every free model on OpenRouter — switch any time, your prompts stay yours.

DeepSeek V3DeepSeek R1Llama 3.3 70BGemini 2.0 FlashQwen 2.5 72BMistral Small 3.2

Build prompts you're proud of.

Open the studio and ship better AI output today.