AI-powered study tool

Answer Century Tech faster than ever

Century Solver plugs directly into Century Tech and uses Claude and Groq AI to help you work through questions — multiple choice, drag-and-drop, exact answers, and more.

See how it works
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Trusted by hundreds of students this year

century-solver — ai_engine
LIVE
$ solver.detect()
SUBJECT Geography — Ecosystems
TYPE Multiple choice
$ solver.solve()
QUERY Which biome stores the most carbon per unit area?
▸ Tropical Rainforest ✓ MATCH
◦ Temperate Grassland
◦ Boreal Forest
◦ Hot Desert
→ Solved in 1.2s — confidence 98%
2
AI providers
4
Question types
<2s
Avg response time
v6.0
Latest build
// What you get

Everything you need, nothing you don't

A lightweight Tampermonkey userscript. Installs in seconds, works automatically on Century Tech.

🤖

Claude + Groq AI

Routes between Claude (high accuracy) and Groq (fast responses) to get the best answer every time.

⚡

All question types

Handles multiple choice, exact answer, drag-and-drop, and multi-select questions automatically.

🔒

Licence locked

HWID-bound licence keys keep your access secure. Activated once on your device.

🎨

Clean UI

A minimal floating panel that respects Century's own interface — dark mode included.

🔄

Always updated

The script updates automatically, once everything is set up zero maintenance is required.

📚

Subject focused

Prompts are tuned for the content on Century Tech, performing best across all major subjects.

Powered by industry-leading AI
Anthropic Claude
Groq
// Try before you buy

See what you're missing

Test the free Lite version first. It works, but barely. The full Century Solver is on a different level.

Free taster

Century Solver Lite

A bare-bones taster. Slow, limited, and missing most of what makes the full version useful.

  • ✓Multiple choice and exact answer questions
  • ✓Drag-and-drop matching (beta, often broken)
  • ✕No image question support, relies on unreliable OCR
  • ✕Groq only, no Claude, lower accuracy
  • ✕Manual answer copying for some question types
  • ✕You have to have your own api key.
Install on Greasy Fork
Recommended

Century Solver

The proper version. Solves every question type with Claude AI accuracy, including image-based questions.

  • ✓Solves every question type on Century Tech
  • ✓Claude AI for far more accurate answers
  • ✓Reads images directly, no OCR fallback
  • ✓Fully automatic, no manual copying
  • ✓Auto-updates, active development, email support
  • ✓Century Solutions provides the api keys
Get the full version
// Install the free version

Install Lite in 4 steps

Get the free version running so you can see the limitations for yourself before committing.

  1. 01

    Install Tampermonkey

    Add the Tampermonkey extension to your browser from the Chrome Web Store, Firefox Add-ons, or Edge Add-ons. It's the userscript manager that runs the script.

  2. 02

    Install the script

    Click the Greasy Fork link above. Hit the green Install button on the page and confirm in the Tampermonkey popup.

  3. 03

    Get a free Groq API key

    Sign up at console.groq.com (no payment details needed), go to API Keys, click Create API Key, and copy the key starting with gsk_.

  4. 04

    Paste and go

    Open app.century.tech. The Lite panel appears top-right. Paste your Groq key, click Save, and hit Start. See for yourself why the full version is worth it.

// Pricing

Simple, one-time access

No subscriptions. Pay once, use for life.

One-time payment

Full access. For life.

Get every feature unlocked from day one. No upsells, no usage limits, no surprise charges.

Century Solver licence
£5one-off

Activate once on your device and you're ready to go.

  • ✓ Full academic-year access
  • ✓ Claude + Groq AI routing
  • ✓ All question types covered
  • ✓ Auto-updates included
  • ✓ 1 device (HWID locked)
  • ✓ Email support
Buy license — £5
// FAQ

Common questions

› How do I install Century Solver?
Install Tampermonkey in your browser, then paste the Century Solver script. Activate your licence key when prompted. The whole process takes under two minutes.
› Will it work on my school's Chromebook?
Yes — as long as Tampermonkey or a compatible extension manager is available. If your school has blocked extensions you can paste the code into your browser console too.
› Which AI does it use?
Century Solver uses Anthropic Claude for accuracy and Groq for fast responses. The script picks the best provider for each question automatically.
› What is HWID locking?
Your licence key binds to your device on first use. This prevents sharing and keeps your account secure.
› Which subjects does it cover?
It works across all subjects available on Century Tech. The AI is prompted with subject-specific context and performs well across the full range of content on the platform.