FourCandles

AI Tools & Skills Platform

Write Better. Think Sharper. Prompt Like a Pro.

Design, test, and optimise AI prompts across every major model, from one clean, fast platform built for people who take AI seriously.

Pay as you go with credits, or choose a monthly subscription, whichever suits you.

Loadsamodels. Every tool. One workspace.

Stop switching between AI tools. FourCandles brings Skills, direct model chats, structured prompting tools, and a learning journey into one clean, fast platform built for people who take AI seriously.

Features

Skills

Create named AI personas with custom system prompts and background knowledge. Every conversation starts exactly where you set it, with full persistent history.

Quick Prompt

Fire off a prompt to any model without friction. Instant results, no setup. Switch models on the fly and compare responses side by side.

Multi-Model Chat

Send the same message to OpenAI, Claude, Gemini, and Perplexity. See how each model thinks differently, and pick the best answer.

Vibe Coding Helper

A guided wizard that turns your vague idea into a structured, platform-ready development prompt for Replit, Cursor, Lovable, or Bolt.

AI Mastery Journey

A gamified learning module that takes you from AI basics to advanced prompting techniques, with quizzes, badges, and real progress.

Socratic Prompt Tool

Not sure what to ask? Answer a series of guiding questions and let the tool craft a high-quality, structured prompt for you.

Introducing Skills — Your AI. Your rules. Every time.

Skills are named AI personas you create once and reuse forever. Set a system prompt, choose a model, and every conversation starts exactly how you want, with full persistent history.

Examples of Skills you can create:

Quick Prompt examples

Simple, transparent plans

Every plan unlocks every feature and every AI model. The only difference is how many credits you get each month.

Free — €0/month

50 credits per month. Includes:

Starter — €10.99/month (Most popular)

1,000 credits per month. Includes everything in Free, plus:

Pro — €32.99/month

5,000 credits per month. Includes everything in Starter, plus:

Just want to pay as you go?

Skip the monthly plan entirely. Buy a one-off bundle of top-up credits — they never expire and work exactly like subscription credits. Use them at your own pace, whenever you need them.

Top-up bundles:

What do credits get you?

Ready to get seriously good at AI prompts?

Sign in and start building your prompt skills today. It takes 30 seconds.

Sign in with Google or Replit to get started for free.

FourCandles is an independent service and is not affiliated with, endorsed by, or a recognised business partner of OpenAI, Anthropic, Google, Perplexity, or any other AI provider. All product names, brand names, and trademarks referenced on this site belong to their respective owners and are used solely to describe the third-party APIs that power the FourCandles service.