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Qubit Forge

Platform live · For individuals

Build real quantum skills.
Prove them.

Hands-on quantum programming for STEM students and working engineers. The circuits you write are executed and scored, and the result becomes a record you can carry.

Create free account Browse challenges

A free account opens the whole library.

Challenges, the coding sandbox, the leaderboard and your performance profile are all included. Payment is not required to start.

120+Challenges in the library
3Tiers, novice to master
6Stages on the path
$0To create an account
Build

Write the circuit and watch the state move.

Drag gates onto the grid or write the code, and the state updates on live Bloch spheres as you place each one. Circuits run against a statevector simulator in the browser.

There is no SDK to install and no credentials to manage. Feedback on correctness and gate efficiency comes back immediately, so the next attempt is informed by the last.

  • Live execution
  • Statevector sim
  • Runs in the browser
The Qubit Forge coding sandbox, with a drag-and-drop circuit builder, live Bloch spheres, measured probabilities and statevector execution.
Rank

Every submission is scored the same way.

Each challenge states its target outcomes and its gate limit before you open the editor, along with the criteria your solution will be measured against. Your circuit is executed rather than self-assessed.

Categories run from fundamentals through advanced algorithms across the Novice, Journeyman and Master tiers, and the constraints tighten as you climb.

The Qubit Forge challenge library, showing featured quantum programming challenges sorted across the Novice, Journeyman and Master tiers.
  • 120+ challenges
  • Three tiers
  • Gate-limited
Prove

A record you can hand to someone.

Every challenge you solve adds to a persistent profile: total XP, global rank, challenges solved, average efficiency and the medals attached to each result.

That profile is evidence an employer or an institution can read without taking your word for it.

  • Verified medals
  • Global rank
  • Portable
A Qubit Forge performance profile, showing total XP, global rank, challenges solved, average efficiency and unlocked achievements.

From single gates to error-aware design.

Four domains, each with its own progression from the first working circuit to the constrained version of it.

Fundamentals

  • Single and multi-qubit gate operations
  • State preparation and measurement
  • Circuit construction and execution

Entanglement

  • Bell states and their applications
  • GHZ and W states
  • Entanglement as a computational resource

Algorithms

  • Deutsch-Jozsa
  • Grover's search
  • Quantum Fourier transform
  • Quantum phase estimation
  • Variational quantum eigensolver basics

Practical skills

  • Circuit optimisation for depth and gate count
  • Working within hardware connectivity constraints
  • Noise-aware circuit design
  • Debugging quantum programs

Pace varies. Some learners clear the fundamentals in days and others take months, and the path holds the same six stages either way: fundamentals, entanglement, basic algorithms, advanced algorithms, optimisation, error mitigation.

Browse challenges

Before you start.

Time commitment

Some learners spend 30 minutes a week and others treat it as a part-time course. Progress is recorded either way.

Background required

The fundamentals track assumes basic linear algebra. If you can multiply matrices, you can begin.

Academic credit

Some institutions accept a Qubit Forge performance profile as supplementary evidence. Formal integration with universities is in progress.

What arrives later

A premium tier with structured learning modules is planned. Existing accounts and progress carry over unchanged.

Strike while it burns

Start building.

An account is free and the first circuit runs in the browser.

Create free account