What is the latest version of Willow?

The current shipped version of Willow is Willow.

How much does Willow cost?

Willow has no published flat entry price. Pricing not published. Early Access Program available.

What AI model does Willow use?

Google Quantum AI has not disclosed the primary model behind Willow.

← Quantum

Willow

Name: Willow
Author: Google Quantum AI

Google Quantum AI · #18 most active of 18 in Quantum

Compare →

The chip behind below-threshold error correction and verifiable quantum advantage claims.

Website

100

Trust score · Verified

1 data point checked · 2026-09-07

Entry price: UnverifiableVersion: VerifiedHow this works →

Current version

Willow

Entry cost

Pricing not published. Early Access Program available.

Changes / 30d

The short answers

What is the latest version of Willow?: The current shipped version of Willow is Willow.
How much does Willow cost?: Willow has no published flat entry price. Pricing not published. Early Access Program available.
What AI model does Willow use?: Google Quantum AI has not disclosed the primary model behind Willow.

Source: Google Quantum AI — quantumai.google · Reusable under CC BY 4.0 — cite Tomorrow

Capabilities

Below-threshold error correction
105 qubits
Quantum Echoes benchmark
quantum computing
superconducting qubits
neutral atom quantum computers
Quantum Processor
Superconducting Quantum Computing
Quantum computing
Superconducting quantum processor
Error correction
Quantum Computing
Willow Quantum Processor
Superconducting Quantum Computer
Quantum computing processor
Quantum processor
Superconducting quantum computer
Quantum Echoes
Quantum computing hardware
Superconducting qubits
quantum processor
quantum chip
quantum error correction
superconducting quantum computer
superconducting quantum processor
Willow quantum processor
superconducting quantum chip
verifiable quantum advantage
Superconducting Quantum Processor
Quantum Echoes Algorithm
Error Correction
Willow quantum chip
Quantum Echoes algorithm
error correction
Verifiable quantum advantage
Superconducting quantum chip
Willow Early Access Program
Quantum Echoes algorithm support
Error correction compatibility
Superconducting Qubits
Quantum Error Correction
Superconducting quantum computing

Pricing

Pricing not published. Early Access Program available.

Entry price over time

4 of 24 points reconstructed from Internet Archive captures (hollow dots) — dated by capture, not by when we first saw the page. View a capture

1/4/2023 · $09/2/2026 · $0

Geek mode

Models under the hood

No model attribution recorded.

Context window

—

Public API

Multi-model routing

Stack signals

quantum computing hardware

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.

Also in Quantum

All Quantum

IBM Quantum Platform

IBM

Cloud access to Heron and Nighthawk QPUs

Version: Qiskit SDK
Cost: Free tier · from $5,760/min
Model: 100+ qubit processors

Google Quantum AI

Google

Willow superconducting processor

Version: Cirq
Cost: Free and open source Python software library (Cirq)
Model: Cirq

D-Wave Leap

D-Wave

Annealing and hybrid solvers

Version: Advantage2
Cost: Free tier · from $2,000/unit
Model: Advantage

Amazon Braket

AWS

Managed multi-vendor quantum cloud

Version: Braket SDK
Cost: Pay-as-you-go pricing based on tasks/shots or reservations. Free local simulator in the SDK.
Model: AQT IBEX-Q1

Azure Quantum

Microsoft

Quantum cloud plus resource estimation

Version: GA
Cost: Free tier/options available. Pay-as-you-go billing varies by quantum hardware provider.
Model: Majorana 1

IonQ Forte

IonQ

Trapped-ion QPUs via cloud

Version: Forte
Cost: Free sign up for IonQ Quantum Cloud account, paid usage details and pricing are not published.
Model: Forte

Change history

Sep 2, 2026first seencapability
New capabilities: Superconducting quantum computing
41 tracked42 tracked · +Superconducting quantum computing
source
Sep 1, 2026first seencapability
New capabilities: Superconducting Qubits, Quantum Error Correction
39 tracked41 tracked · +Superconducting Qubits, Quantum Error Correction
source
Aug 31, 2026first seencapability
New capabilities: Quantum Echoes algorithm support, Error correction compatibility
37 tracked39 tracked · +Quantum Echoes algorithm support, Error correction compatibility
source
Aug 30, 2026first seencapability
New capabilities: Superconducting quantum chip, Willow Early Access Program
35 tracked37 tracked · +Superconducting quantum chip, Willow Early Access Program
source
Aug 28, 2026first seencapability
New capabilities: Verifiable quantum advantage
34 tracked35 tracked · +Verifiable quantum advantage
source
Aug 25, 2026first seencapability
New capabilities: error correction
33 tracked34 tracked · +error correction
source
Aug 24, 2026first seencapability
New capabilities: Quantum Echoes algorithm
32 tracked33 tracked · +Quantum Echoes algorithm
source
Aug 22, 2026first seencapability
New capabilities: Willow quantum chip
31 tracked32 tracked · +Willow quantum chip
source
Aug 19, 2026first seencapability
New capabilities: Superconducting Quantum Processor, Quantum Echoes Algorithm, Error Correction
28 tracked31 tracked · +Superconducting Quantum Processor, Quantum Echoes Algorithm, Error Correction
source
Aug 18, 2026first seencapability
New capabilities: superconducting quantum chip, verifiable quantum advantage
26 tracked28 tracked · +superconducting quantum chip, verifiable quantum advantage
source
Aug 17, 2026first seencapability
New capabilities: Willow quantum processor
25 tracked26 tracked · +Willow quantum processor
source
Aug 15, 2026first seencapability
New capabilities: superconducting quantum processor
24 tracked25 tracked · +superconducting quantum processor
source
Aug 14, 2026first seencapability
New capabilities: quantum processor, quantum chip, quantum error correction
20 tracked24 tracked · +quantum processor, quantum chip, quantum error correction, superconducting quantum computer
source
Aug 13, 2026first seencapability
New capabilities: Quantum Echoes, Quantum computing hardware, Superconducting qubits
17 tracked20 tracked · +Quantum Echoes, Quantum computing hardware, Superconducting qubits
source
Aug 12, 2026first seencapability
New capabilities: Quantum computing processor, Quantum processor, Superconducting quantum computer
14 tracked17 tracked · +Quantum computing processor, Quantum processor, Superconducting quantum computer
source
Aug 11, 2026first seencapability
New capabilities: Quantum Computing, Willow Quantum Processor, Superconducting Quantum Computer
11 tracked14 tracked · +Quantum Computing, Willow Quantum Processor, Superconducting Quantum Computer
source
Aug 10, 2026first seencapability
New capabilities: Quantum computing, Superconducting quantum processor, Error correction
8 tracked11 tracked · +Quantum computing, Superconducting quantum processor, Error correction
source
Aug 9, 2026first seencapability
New capabilities: Quantum Processor, Superconducting Quantum Computing
6 tracked8 tracked · +Quantum Processor, Superconducting Quantum Computing
source
Aug 8, 2026first seencapability
New capabilities: quantum computing, superconducting qubits, neutral atom quantum computers
3 tracked6 tracked · +quantum computing, superconducting qubits, neutral atom quantum computers
source
Aug 18, 2025first seencapability
New capabilities: quantum chips, quantum error correction
2 tracked4 tracked · +quantum chips, quantum error correction
source
Jul 1, 2025first seencapability
New capabilities: quantum computing, error correction
2 tracked4 tracked · +quantum computing, error correction
source
Apr 1, 2025first seencapability
New capabilities: Quantum Chips
3 tracked4 tracked · +Quantum Chips
source
Jan 1, 2025first seencapability
New capabilities: Quantum Computing, Quantum Chip, Error Correction
5 tracked8 tracked · +Quantum Computing, Quantum Chip, Error Correction
source
Jan 3, 2024first seenversion
Willow moved to Willow
—Willow
source
Jan 3, 2024first seencapability
New capabilities: Cirq Python framework, OpenFermion library, TensorFlow Quantum library
5 tracked8 tracked · +Cirq Python framework, OpenFermion library, TensorFlow Quantum library
source
Oct 19, 2023first seencapability
New capabilities: Cirq Framework, OpenFermion Library, qsim simulator
5 tracked8 tracked · +Cirq Framework, OpenFermion Library, qsim simulator
source
Jul 8, 2023first seencapability
New capabilities: Cirq programming framework, qsim simulators
5 tracked7 tracked · +Cirq programming framework, qsim simulators
source

Subscribe to Willow changes

Willow compared

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

Willow vs IBM Quantum Platform Willow vs Google Quantum AI Willow vs D-Wave Leap Willow vs Amazon Braket Willow vs Azure Quantum Willow vs IonQ Forte

How to cite this page

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

APA

Tomorrow. (2026). Willow — version, pricing and model stack [Data set entry]. AlienSquad. Retrieved 2026-09-13, from https://tomorrow.aliensquad.ai/tools/google-willow

BibTeX

@misc{tomorrow-tools-google-willow,
  author       = {{Tomorrow}},
  title        = {Willow — version, pricing and model stack},
  year         = {2026},
  publisher    = {AlienSquad},
  howpublished = {\url{https://tomorrow.aliensquad.ai/tools/google-willow}},
  note         = {Accessed: 2026-09-13}
}