Python / Qiskit projects

The default framework: standard Python and Qiskit, running in the browser, with a pre-created backend.

Python / Qiskit is the default framework, and the one to use for standard quantum work. You write ordinary Python with Qiskit, and it runs in the browser with nothing to install. For interactive, visual projects, use JS / Qiskit instead.

The environment

The runtime is Python 3.14 with Qiskit 2.x, plus most of the standard library and extras like NumPy 2.x. A backend variable is pre-created for the circuit you build, so you can run it without wiring up a provider yourself. Every new project opens on a runnable Bell-state starter; the Code Playground lesson walks through running it.

Visualizations

Circuit drawings and plots need the Qiskit Visualizations package, which you turn on from the Extra runtime features / libraries control. Leave it off for text-only runs to keep the environment light.

Learning Qiskit

The Qiskit API itself is standard, so this doc does not repeat it. For building circuits, gates, transpilation, and primitives, use Qiskit's own documentation as the source of truth. Qollab's part is the runtime and the backend; the language is Qiskit's.

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