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Alice & Bob

Alice & Bob · #10 most active of 18 in Quantum

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Cat-qubit approach to hardware-level error protection.

Current version

Boson 4

Entry cost

Cloud + partnerships

Changes / 30d

0

The short answers

What is the latest version of Alice & Bob?
The current shipped version of Alice & Bob is Boson 4.
How much does Alice & Bob cost?
Alice & Bob has no published flat entry price. Cloud + partnerships
What AI model does Alice & Bob use?
Alice & Bob runs primarily on cat qubit.

Source: Alice & Bob (no public source page recorded) · Reusable under CC BY 4.0 — cite Tomorrow

Capabilities

  • Cat qubits
  • Bit-flip protection
  • Roadmap to 100 logical

Pricing

Cloud + partnerships

Entry price over time

Not enough pricing history yet — we start charting from the second observation.

Geek mode

Models under the hood

  • cat qubit

    Provider undisclosed

    disclosed

Context window

—

Public API

no

Multi-model routing

no

Stack signals

  • Google Cloud
  • Own fab

Shared model stack

Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.

green disclosed · amber inferred · grey unattributed. Aliases are folded into one model; provider concentration counts only models with an established vendor.

Reported scale

Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.

No public usage figure on record for this product.

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Cost
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Model
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Change history

No changes recorded yet.

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Alice & Bob compared

Straight head-to-head pages against the busiest products in Quantum.

Alice & Bob vs IBM Quantum PlatformAlice & Bob vs Google Quantum AIAlice & Bob vs D-Wave LeapAlice & Bob vs Azure QuantumAlice & Bob vs Amazon BraketAlice & Bob vs IonQ Forte

How to cite this page

Free to cite and reuse under CC BY 4.0. Permalink: https://tomorrow.aliensquad.ai/tools/alice-bob

APA
Tomorrow. (2026). Alice & Bob — version, pricing and model stack [Data set entry]. AlienSquad. Retrieved 2026-09-17, from https://tomorrow.aliensquad.ai/tools/alice-bob
BibTeX
@misc{tomorrow-tools-alice-bob,
  author       = {{Tomorrow}},
  title        = {Alice & Bob — version, pricing and model stack},
  year         = {2026},
  publisher    = {AlienSquad},
  howpublished = {\url{https://tomorrow.aliensquad.ai/tools/alice-bob}},
  note         = {Accessed: 2026-09-17}
}